| A | B |
| Abolition | The official end to the practice of slavery |
| Amendment | A written change or addition to a bill or constitution |
| American Revolution | The rebellion of British colonists on the North American eastern seaboard against the British monarchy (1775-1783) |
| Bill of Rights (U.S.) | The first 10 amendments to the U.S. Constitution |
| Civil War (American) | A major war between the Northern and Southern states in the U.S. ending in victory for the North and the end of slavery (1861-1865) |
| Congress | The legislature of the United States government |
| Constitution | A written document of a plan of government; the plan of government of the United States drafted 1787 |
| Corporation | A company recognized by law to exist independently from its owners, with the ability to own property, borrow money, sue, or be sued |
| Executive Branch | The branch of the United States government that is responsible for carrying out laws or vetoing laws (includes the role of President) |
| Federal Government | The central government based in Washington D.C. that oversees the state governments |
| Frontier | The area where colonist-settled lands bordered on lands of Native Americans |
| Judicial Branch | The court systems of local, state, and federal governments, responsible for interpreting laws, including the Supreme Court |
| Legislative Branch | The branch of the federal and state government empowered to make the laws, including the Congress |
| Manifest Destiny | The belief, held by many Americans in the 1840s, that the United States was destined to spread across the North American continent and beyond |
| Migration | The movement of people from one country or region to another |
| Monopoly | A company that completely dominates a particular industry |
| Segregation | The forced separation of races in public places |
| Suffrage | The right to vote |
| Supreme Court | The highest court in the U.S., includes 9 justices (judges) |
| Tariff | A tax on imported goods |
| Trust | A set of companies managed by a small group known as trustees, who can prevent companies in the trust from competing with each other |
| Abolition | The official end to the practice of slavery |
| Assimilation | The absorption of people into the dominant culture; also called Americanization |
| Corporation | A company recognized by law to exist independently from its owners, with the ability to own property, borrow money, sue, or be sued |
| Environmentalism | A movement that works to protect the environment from harmful human activities |
| Frontier | The area where colonist-settled lands bordered on lands of Native Americans |
| Immigration | To enter and settle in a country or region to which a person is not native |
| Manifest Destiny | The belief, held by many Americans in the 1840s, that the United States was destined to spread across the North American continent and beyond |
| Migration | The movement of people from one country or region to another |
| Monopoly | A company that completely dominates a particular industry |
| Nativism | The policy of favoring the interest of native-born Americans over those of immigrants |
| Progressive | A member of a social and political movement of the early 1900s committed to improving conditions in American life |
| Prohibition | A ban on the production and sale of alcohol |
| Strike | A labor action in which workers refuse to go to work |
| Suffrage | The right to vote |
| Trust | A set of companies managed by a small group known as trustees, who can prevent companies in the trust from competing with each other |