Before 1913, how did U. S. Senators get their jobs?

On March 4, 1789, the first group of elected senators reported for duty. From 1789 to 1913, when the Seventeenth Amendment to the U.S. Constitution was ratified, senators were elected by state legislatures. Beginning with the 1914 general election, all U.S. senators have been chosen by direct popular election.

Explanation:

answer; (c) slaves brought to the americans from africa;