Answer:
B
Explanation:
The Senate has the sole power to conduct impeachment trials, essentially serving as jury and judge.
The answer is choice A. During the Cold War, the goal of the US was to was to isolate the Soviet Union from spreading Communism, encourage Democracy and to promote open markets for the US goods to prevent another depression.
The striking feature of the Jacksonian era was an increase in the influence of the common man.
Increase of crops due to new innovations with the farming technique is one that comes to mind, not very sure about other factors though, sorry
