The passage of the Seventeenth Amendment established which of the following similarities between the House and Senate?
a. Both could approve presidential appointments.
b. Both could ratify treaties.
c. Both were elected by popular vote.
d. Both could appoint a presidential successor.

The passage of the Seventeenth Amendment established the following similarities between the House and Senate: c. both were elected by popular vote.

Explanation:

Seventeenth Amendment was passed in United States Constitution in the year of May 13, 1912 by Congress. The amendment allows the people of the states to directly select the United States senators by casting votes. The state legislatures were responsible for the selection of senators before passing the Seventeenth Amendment.

Representation of the people was improved after passing the Seventeenth Amendment. Both the House and Senate were elected by popular votes after the passage of the Seventeenth Amendment.

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