During the jim crow era southern states imposed poll taxes and literacy tests in order to

In order to limit african americans form voting.

Explanation:

They did this because the whites had all the power and wanted to keep it so if the African Americans were to vote they would vote on a president that is fair, but the whites did not want that so they imployed  poll taxes and literracy test.

not to sure thinking it would be a hope this

the united states began searching for a way to reduce oil

-agarvated