What did the 15th Amendment do?
O Abolished slavery
O Gave African Americans equal protection under the law
O Gave African American men the right to vote.
O Made African Americans citizens

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

explanation:

a trial judge has broad powers in his courtroom. the judge's decision is usually final for the duration of the trial, and the party's one special type of witness is an expert witness.