What happened when President Johnson vetoed (refused to sign) radical reconstruction laws?
O A. Congress did nothing about it.
O B. He usually had the support of the citizens.
Ο Ο Ο
C. Congress passed the acts over his veto.
D. He was successful in stopping Congress.

Congress passed the acts over his veto.

Explanation:

The Radicals mustered enough votes in Congress to pass legislation over his veto–the first time that Congress had overridden a President on an important bill. They passed the Civil Rights Act of 1866, which established Negroes as American citizens and forbade discrimination against them.