政治学英語：必須ボキャブラリー

"separation of powers"

The constitutional division of government authority among legislative, executive, and judicial branches to prevent any single branch from holding excessive power.

"The separation of powers ensures that no single branch can dominate the government."

"checks and balances"

A system where each branch of government has oversight authority over the others, preventing abuses of power.

"Through checks and balances, the legislature can override a presidential veto."

"rule of law"

The principle that all individuals and institutions, including government, are accountable to laws that are publicly promulgated and enforced.

"A functioning democracy depends on the rule of law being applied equally to all citizens."

"civil society"

The sphere of voluntary associations, NGOs, and collective action that exists between the state and the private market.

"A vibrant civil society is essential for holding governments accountable."

"constitutional democracy"

A form of government in which a constitution limits the powers of the state and protects individual rights.

"Constitutional democracy requires that even elected majorities respect minority rights."

"popular sovereignty"

The doctrine that the authority of the state and its government are created and sustained by the consent of its people.

"Popular sovereignty is expressed through free and fair elections."

"legislative gridlock"

A situation in which the legislature is unable to pass legislation, typically due to partisan disagreement or divided government.

"Legislative gridlock has stalled the passage of the budget reform bill for months."

"state capacity"

The ability of a government to effectively implement policies, enforce laws, and provide public goods to its citizens.

"Weak state capacity undermines economic development and public service delivery."

"proportional representation"

An electoral system in which the share of seats a party wins corresponds closely to its share of the popular vote.

"Under proportional representation, minor parties can gain parliamentary seats more easily."

"first-past-the-post"

A winner-takes-all electoral system in which the candidate with the most votes in a single-member district wins, regardless of whether a majority is achieved.

"First-past-the-post often produces majority governments from plurality votes."

"gerrymandering"

The manipulation of electoral district boundaries to favor a particular political party or group.

"Critics accused the ruling party of gerrymandering districts to weaken the opposition."

"electoral college"

An indirect election mechanism in which a body of electors formally chooses a president or other official.

"The Electoral College means a candidate can win the presidency without the national popular vote."

"voter turnout"

The percentage of eligible voters who cast a ballot in an election.

"Low voter turnout raises questions about the democratic legitimacy of the outcome."

"swing state"

A state or constituency in which no single candidate or party has an overwhelming majority and whose electoral outcome is therefore uncertain.

"Both campaigns focused their resources on the key swing states."

"ballot initiative"

A form of direct democracy in which citizens can place proposed laws or constitutional amendments on the ballot for a popular vote.

"Voters approved the ballot initiative to legalize recreational cannabis."

"political mandate"

The authority granted to a political leader or party to carry out a particular policy, derived from their victory in an election.

"The president claimed a strong political mandate after winning 60% of the vote."

"balance of power"

A situation in the international system in which states roughly equal in strength counterbalance one another, preventing any single state from achieving hegemony.

"The Cold War was characterized by a precarious balance of power between the superpowers."

"multilateralism"

The practice of coordinating national policies among three or more states, often through international institutions.

"Climate change requires a multilateral approach that goes beyond bilateral agreements."

"sovereignty"

The full right and power of a governing body over itself, without any interference from outside sources or bodies.

"The intervention was condemned as a violation of the country's sovereignty."

"non-state actors"

Entities that participate in world affairs but are not sovereign states, including NGOs, multinational corporations, and terrorist organizations.

"Non-state actors like the Red Cross play a significant humanitarian role in conflict zones."

"deterrence theory"

The strategy of preventing an adversary from taking an undesirable action by threatening unacceptable consequences in retaliation.

"Nuclear deterrence theory shaped military strategy throughout the Cold War era."

"soft power"

The ability of a state to influence others through attraction and persuasion rather than coercion — typically via culture, values, and diplomacy.

"The country leverages its film industry and universities to project soft power globally."

"diplomatic immunity"

A principle of international law by which certain foreign government officials are exempt from the jurisdiction of local courts.

"The ambassador invoked diplomatic immunity when questioned by local police."

"sphere of influence"

A region or country in which a great power exercises dominant political, economic, or military control.

"During the Cold War, Eastern Europe was considered part of the Soviet sphere of influence."

"liberalism"

A political philosophy centered on individual rights, civil liberties, the rule of law, free markets, and democratic governance.

"Classical liberalism emphasizes limited government and individual economic freedom."

"social contract"

A theory in which individuals surrender some freedoms to a governing authority in exchange for protection of their remaining rights.

"Rousseau's concept of the social contract influenced democratic thought for centuries."

"authoritarianism"

A political system characterized by the concentration of power in a single leader or small elite, with limited political pluralism and civil liberties.

"The regime's growing authoritarianism alarmed international human rights observers."

"populism"

A political approach that frames politics as a struggle between the pure people and a corrupt elite, claiming to represent the will of the ordinary majority.

"Populist leaders often undermine independent institutions by claiming they represent the elite."

"nationalism"

An ideology that holds that a nation should be politically and culturally unified and self-governing, often privileging national identity over other affiliations.

"Ethnic nationalism contributed to the fragmentation of several multi-ethnic states."

"political pluralism"

A system where multiple political parties, ideologies, and interest groups coexist and compete for power within the state.

"Political pluralism is considered a hallmark of a healthy democratic society."

"left-right spectrum"

A model of political positions with the left typically favoring egalitarianism and social reform, and the right favoring tradition, hierarchy, and free markets.

"Many voters find the left-right spectrum too simplistic to capture their full political views."

"political polarization"

The divergence of political attitudes toward ideological extremes, reducing common ground and willingness to compromise.

"Increasing political polarization has made bipartisan legislation nearly impossible to pass."

"policy agenda"

The set of issues that a government or political actor prioritizes and plans to address through legislation or executive action.

"Healthcare reform dominated the new administration's policy agenda."

"legislative process"

The formal series of steps through which a proposed bill is debated, amended, and voted upon before becoming law.

"Understanding the legislative process is essential for lobbying effectively."

"executive order"

A directive issued by the head of government that has the force of law without requiring legislative approval.

"The president issued an executive order to ban certain imports immediately."

"lobbying"

The act of attempting to influence decisions made by government officials, typically by special interest groups or their paid representatives.

"Pharmaceutical companies spend billions on lobbying to shape healthcare legislation."

"fiscal policy"

The use of government spending and taxation to influence the economy, typically to stabilize growth or respond to recessions.

"The government adopted an expansionary fiscal policy to counter the economic downturn."

"welfare state"

A system in which the state undertakes to protect the health and well-being of its citizens through social programs and redistributive policies.

"The Nordic model is often cited as a successful example of the welfare state."

"judicial review"

The power of courts to examine legislation or executive actions and invalidate those found to be unconstitutional.

"Judicial review allows courts to strike down laws that violate constitutional rights."

"policy implementation"

The stage of the policy process where an enacted law or program is put into practice by government agencies.

"Effective policy implementation requires adequate funding, trained staff, and clear guidelines."

"geopolitical rivalry"

Competition between states over territory, resources, influence, or strategic position on the world stage.

"Geopolitical rivalry in the South China Sea has escalated over the past decade."

"multilateral institution"

An international organization composed of multiple member states that cooperate to address common challenges, such as the UN or WTO.

"The IMF is a key multilateral institution supporting global financial stability."

"failed state"

A state whose central government is so weak or ineffective that it can no longer perform basic governance functions or maintain territorial control.

"The collapse of central authority turned the country into a failed state."

"proxy war"

A conflict in which two opposing powers support combatants who serve their interests rather than fighting each other directly.

"The civil war quickly became a proxy war with foreign powers arming rival factions."

"economic sanctions"

Punitive measures taken by one or more countries against a target state, typically involving trade restrictions, asset freezes, or financial penalties.

"The UN imposed economic sanctions to pressure the regime to halt its weapons program."

"climate diplomacy"

Diplomatic efforts to build international cooperation on climate change, including negotiations over emissions targets and climate finance.

"Climate diplomacy intensified ahead of the global summit on net-zero commitments."

"humanitarian intervention"

Military or political intervention in a state by outside forces with the stated aim of preventing or stopping widespread human rights abuses.

"The Security Council debated authorizing a humanitarian intervention to protect civilians."

"democratic backsliding"

The gradual erosion of democratic norms, institutions, and practices in a country that was previously considered democratic.

"International observers warned of democratic backsliding as press freedoms were curtailed."