Need some help to pass this summer school

Lee's campaign to invade maryland was stopped after his defeat at the battle of: a. seven pines b. williamsburg c. antietam d. none of these

Which of the following is true about a merger? a. it is an example of deregulation. c. it is a combination of two or more companies into a single firm. b. it violates the sherman anti-trust act of 1890. d. it always leads to economic growth.

Why did spanish plantation owners in the west indies begin usine enslaved africans instead of enslaved natives