Question

1. whose reconstruction plan was toughest on the south?○ president andrew johnson○ president abraham lincoln○ radical republicans○ southern democrats

Explanation:

Radical Republicans' Reconstruction plan imposed strict requirements on Southern states, including harsh penalties for former Confederates, protections for Black Americans' rights, and strict conditions for readmission to the Union. Lincoln's 10% Plan and Johnson's plan were far more lenient toward the South, while Southern Democrats opposed Reconstruction efforts entirely.

Answer:

C. Radical Republicans