| A | B |
| Bill of Rights | First 10 amendments of the Constitution that gives freedoms and rights |
| Whiskey Rebellion | 1790s Pennsylvania tax protest uprising |
| Louisiana Purchase | US acquired land from France that doubled the size of the US |
| Lewis and Clark Expedition | US exploration West to the Pacific Ocean |
| War of 1812 | Britain vs. US 1812-1815 fought over trade restrictions |
| Missouri Compromise | Determined what states would enter into the US as free or slave states |
| Monroe Doctrine | U.S. policy opposing European colonization in North America |
| Indian Removal Act | 1830 act that forced Native American tribes to relocate from the southeastern U.S. to land west of the Mississippi River |
| Trail of Tears | Forced Cherokee Indian removal to West |
| Fugitive Slave Act | Law requiring return of escaped slaves |
| Manifest Destiny | The belief that God supports the expansion of the US throughout the entire North American continent |
| Kansas Nebraska Act | Created territories of Kansas and Nebraska |
| Emancipation Proclamation | Executive order freeing enslaved Americans |
| Gold Rush | Migration to the West (California) to find gold |
| Dred Scott Decision | enslaved Black man named Dred Scott and his wife, Harriet, sued for their freedom after moving to a free state |
| Sectionalism | Regional loyalty over national unity |
| Civil War Amendments | 13th abolished slavery 14th citizenship and equal protection 15th voting rights to all men |