12. which of the following was a move made by the soviet union to spread communism throughout the world?
a. the eisenhower doctrine
b. the marshall plan
c. the berlin blockade
d. the containment policy

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

Why did the federal government choose to give each tribal member a 25-year deed to the reservation land? this was the life expectancy of native americans at this time, and the government wished to grant rights for only a single generation. they considered this to be enough time to keep the area calm before they could take the land back again for sale. the united states government believed that the nutrients from the land would be depleted by the end of the deed. the government believed this would be enough time for the tribal members to become self-reliant and adapt to the farming lifestyle.

Human beings spread all around the world over a period of millions of years. identify when humans arrived in different regions of the world. 200,000 years ago 100,000 years ago 40,000 years ago 30,000 years ago