Why did the Secretary of Defense say that the United States needs Russia as an adversary?

In 1637, colonists killed between 500 and 600 american indians in connecticut

How did europeans and the introduction of european goods and ideas change native life ?

70 ! to reinforce your understanding of the early days of the great depression, take the perspective of president herbert hoover. from his perspective, write three to five sentences that develop and expand on the following topic sentence: i believe the best way to end the great depression is . .