Why is it difficult for third-party candidates to win elections in the united states?

Why was the the superficial prosperity in the 1920s

Which was the cause of the rise of the persian empire?

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.