Democracy is a system of government in which the majority of the population has the power to make decisions.

Political parties are organizations that seek to influence government policy by winning elections and gaining control of government.

The separation of powers is a system of government in which the powers of government are divided among different branches, each with its own responsibilities and powers.

The legislative branch of government is responsible for making laws.

First-past-the-post is an electoral system in which the candidate who receives the most votes in a single round of voting wins the election.

A constitution is a set of fundamental principles and rules that establish the structure and powers of government.

Individualism, collectivism, liberalism, and conservatism are all key concepts in political ideology.

The main goal of foreign policy is to protect the national interests of a country.

The United Nations, the World Trade Organization, the International Monetary Fund, and the North Atlantic Treaty Organization are all common types of international organizations.

The main purpose of the United Nations is to maintain international peace and security, promote economic and social development, protect human rights and fundamental freedoms, and promote international cooperation in solving global problems.

Sovereign equality of states, non-intervention in the internal affairs of other states, and peaceful settlement of disputes are all key principles of international law.

The main purpose of the World Trade Organization is to regulate international trade and commerce.

The International Monetary Fund provides financial assistance to countries facing economic difficulties, promotes international monetary cooperation, and regulates the global financial system.

The North Atlantic Treaty Organization protects the security of its member states, promotes peace and stability in the North Atlantic region, and deters aggression against its member states.

Climate change, poverty and inequality, and nuclear proliferation are all key challenges facing the global community today.