What Brought the Radical and Moderate Republicans Together in an Alliance

What brought the Radical and moderate Republicans together in an alliance against President Johnson?

A) President Johnson vetoed the Freedmen's Bureau bill and the Civil Rights Act of 1866.
B) Moderate Republicans realized that Johnson was delaying readmission of the former Confederate states.
C) Many Republicans feared the president's proposal for an agency that would provide relief, rations, and medical care for impoverished southerners.
D) President Johnson sent a message to northern Democrats that they could work together to rebuild the South.
E) Moderate Republicans feared that the president was going to bolt the Republican party for the Democratic party.