Someone pls help me I will make you brain

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

Iwill arward ! , i if po≅ pr, uo≅ ur, prove: ∠o ≅ ∠r. fill in the blanks: draw segment ≅ uo ≅ po≅ △oup ≅ △

The occupies the territory between the coastal plain in the appalachian mountains. a. piedmont. b. tidewater. c. delaware valley. d. outer banks.