Please answer me this question

The fourteenth amendment how did the action resolve a longstanding conflict in post-civil war america? it defined the process for readmittance of the former confederate states into the united states of america. it ensured the right to vote to all male citizens of the united states, regardless of race, color, or prior servitude. it defined citizenship and related rights for african americans. it abolished slavery in the united states.

True or false: abraham lincoln delayed the emancipation proclamation to make sure the border states would stay loyal. *

What was the overall impact of eli whitneys introduction of interchangeable parts?