Which of the following best identifies the key events of the nullification crisis?

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.

In the period from 1860 to 1890, which experience was shared by most native americans living in western states?