I need help with these questions please.

How did african americans the union during the civil war? a. by serving as representatives in congress b. by enlisting in the military to fight c. by organizing massive slave revolts in the south d. by negotiating for peace with the confederacy

According to matthew friedman, the main differences between places with increases in the murder rate and places with decreases in the murder rate?

Any person haled into court, who is too poor to hire a lawyer, cannot be assured a fair trial unless counsel is provided for him.”—mr. justice hugo black in gideon v. wainwright this quote shows that, because of gideon v. wainwright,