Which of the following statements best summarizes the contributions of john hancock to american history? a. he served as the first vice president. b. he was president of the continental congress. c. he brokered an important constitutional compromise. d. he was a military leader in the revolutionary army.

B. He was president of the Continental Congress.

Explanation:

John Hackok was a merchant that inherited a large shipping bussines, when the regulation from the english empire became more strict, limiting and costing Hancock´s business he sided with the federalists and helped and supported the revolutionary cause, he served as president of the Continental Congress.

b.   jim crow laws were enacted in northern states.

answer; i believe the two groups were irish immigrants and chinese immigrants;