. What did white Southerners do to try to stop blacks from voting?

Started the KKK and threatened violence to Blacks who voted for Republicans (they were the ones who abolished slavery, thanks to Abraham Lincoln). Also, they instigated Black Codes and certain taxes that most Black people could not afford.

Explanation:

Black Codes are laws spefically designed for African Americans

One method that was used was the poll tax. The poll tax required a person to pay a fee in order to vote. Since many African Americans were poor, they could not afford to pay the tax. As a result, they did not vote.

Another method that was used was the literacy test. The literacy test required a person to read and explain a part of the Constitution. Since many African Americans had limited education, many African Americans could not pass the test in order to vote. They used the KKK to terrorize blacks and passed black codes.

Explanation:

the answer is states.

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.