Answer:
Events
Indian Removal Act
Klondike Gold Rush
The Lewis And Clark Expedition
War Of 1812
Louisiana Purchase
Monroe Doctrine
Mexican American War
Transcontinental Railroad
Homestead Act
Kansas-Nebraska Act
California Gold Rush
Pony Express
Battle Of The Alamo
The Sand Creek Massacre
French And Indian War
The Oregon Territory
The Oregon Trail
Manifest Destiny
Step-by-step explanation:
here you go