Which is not a responsibility of the legislative branch? initiating impeachment proceedings ensuring one party controls the house and the other party controls the senate if elected, serving for a two or a six-year term confirming the ambassador to israel

Ensuring one party controls the House and the other party controls the Senate  is not a responsibility of the legislative branch.

Explanation:

There is no rule in the United States that states that the Senate must be controlled by a political party, and the House by the other. Both the Democratic Party and the Republican Party can control both houses of Congress without there being any kind of objection to this.

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