President Grant's support of Radical Reconstruction and black rights weakened by the time he was reelected in 1872. a. true b. false 18 Credit Mobilier concerned Grant's plan to end Reconstruction. a. true b. false 19 The dispute over the election of 1876 concerned the electoral vote. a. true b. false 20 By the end of Reconstruction, the Democratic party gained control of all the former Confederate states. a. true b. false