The Kansas-Nebraska Act infuriated many in the North who considered the Missouri Compromise to be a long-standing binding agreement. In the pro-slavery South it was strongly supported.
Mochila would be your answer.
Wasn’t it because they where small and could fit in small places. I took the test a while ago so I don’t remember that much so if i’m wrong sorry
European powers divided China into spheres of influence, while the United States promoted an Open Door Policy.