radical republicans had two main goals. First, they wanted to break the power of wealthy planters who had long ruled the South. Second, they wanted to ensure the freedmen received the right to vote. They used legislative reforms, or changes in laws, to achieve their goals... what was their purpose for this? (select two)

a. developing a speedy process to readmit southern states
b. to ensure voters would remain loyal to the union
c. working to ratify the fourteenth amendment

b. to ensure voters would remain loyal to the union

c. working to ratify the fourteenth amendment

why did southern states use poll taxes, literacy tests, and grandfather clauses as reconstruction came to an end?

Southern states used these tactics as a way to disenfranchise African Americans and poor whites, ensuring that they would not have the right to vote. This was done in order to maintain white supremacy and to prevent the newly freed slaves from gaining political power and influence in the post-Reconstruction South.