Saaim Khan 11.06.16 Chapter 11 Reconstruction Key Content Terms (2 points each ? use complete sentences) Define and Explain the significance of each Key Content Term listed below. Thirteenth Amendment: This was the first of three Reconstruction-era amendments that freed slaves completely from their masters. Republicans in Congress pleaded with President Johnson to add the requirement that Southern states must grant freedmen the right to vote. Johnson, however, did not accept those pleas and said that white men alone should manage the South.