How did the radical republicans respond to president johnson’s veto of a bill allowing the freedmen’s bureau to continue its work?
a. they ratified the thirteenth amendment.
b. they instituted black codes.
c. they passed the civil rights act of 1866.
d. they followed the ten percent plan.

They passed the Civil Rights Act of 1866.

Freedmen's Bureau was passed in 1865. This was to provide practical aid to the 4 million African American and put an end to their slavery.

In order for the Freedmen’s Bureau to continue its work Radical Republicans responded to President Johnson’s veto of a bill allowing the Civil Rights Act of 1866 to be passed.

study of past cultures

i would say that the politicial parties from state to state varies.