What amendment to the u. s constitution changed the way that u. s senators were elected?

The 17th amendment to the U.S constitution changed the way that U.S Senators were elected.

Explanation:

Passed by Congress May 13, 1912, and ratified April 8, 1913, the 17th amendment modified Article I, section 3, of the Constitution by allowing voters to cast direct votes for U.S. Senators. Prior to its passage, Senators were chosen by state legislatures.

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