Someone smart please help me with these two questions

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

Why did the crew of the zong ship throw some captive africans overboard? a. there was not enough space in the ship. b. the captives’ deaths were covered by insurance. c. the ship did not have adequate food. d. the ship did not have sufficient crew to care for the sick captives. e. the african captives rebelled against the crew.

What interest on the part of each group led residents of turkey creek in gulfport mississippi to form a coalition with the national audubon society?