Why did the united states become involved in vietnam? a. to free cambodia from communists b. to stop the spread of communism c. to prevent an invasion of korea

Which of the following encouraged westward expansion? a. the government decreased the price of federal land. b. each of these represents actions taken to encourage westward expansion. c. the government decreased the price of federal land d. the second national bank lowered the cost of borrowing money (reduced interest rates)

In the latter stages of the civil war who was given the responsibility of winning the war for the north

Wha industry did the refrigerated rail car impact the most