Answer:
Violent
Step-by-step explanation:
All the Events that happened during the expansion
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