Answer:
1783 Treaty of Paris: C
1803 Louisiana Purchase: D
1804 Lewis and Clark Expedition: F
1812 War of 1812: B
1823 Monroe Doctrine: G
1830 Indian Removal Act: A
1836 Battle of Alamo: H
1838 Trail of Tears: E
1841 Oregon Trail: K
1845 Manifest Destiny: L
1846-1848 The Mexi-American War: J
1846 Oregon Treaty: M
1853 Gadsen purchase: L
1912 Arizona: N
15. Who lived in America before the Europeans arrived? D. American Indians
16. Who was the first President of the United States? D. George Washington
Step-by-step explanation: