Which of the following is true about the Radical$-$dominated Reconstruction Congress?

Multiple Choice

It sought to build Republican Party support in the South by winning the Black vote and curtailing the power of the planter class.

Its influence waned when northern voters repudiated Radical congressmen at the polls in $1866.$

Its influence grew when Johnson's vetoes drove moderates into the Democratic Party.

The central focus of its program was to protect the land rights of Blacks.