What was the Union’s aim in defeating the Confederates at Vicksburg Mississippi?

Why did president lincoln place general mclellan under the command of general halleck? a. mcclellan failed to capture richmond. b. mcclellan was responsible for the north's defeat at the second battle of bull run. c. mcclellan failed to defeat lee at antietam creek.

Which factor determines the organization of political parties at the local level

Describe some effects of the rise of communism in the soviet union?