John Brown wanted to start a rebellion with fellow abolitionists with his raid of a. Harper's Ferry
b. Fort Sumter
C. Gettysburg
d. The Kansas federal armory

during the hitler era and it caused them to declare war on germany

after the spaniards introduced horses to plains native americans, the lives of the tribes changed. tribes became less settled and sedentary. the horse allowed them to hunt animals such as bison or buffalo, and, instead of staying in one place, tribes began to be nomadic.