Which of the following is not a power of Congress? advising the president on a peace treaty ratifying presidential appointments declaring war commanding the armed forces

## Step 1<br />The question is asking which of the given options is not a power of the United States Congress. The Congress is the legislative branch of the U.S. government and has several powers, including advising the president on a peace treaty, ratifying presidential appointments, and declaring war.<br /><br />## Step 2<br />However, the power to command the armed forces is not vested in Congress. This power is vested in the President of the United States, who is the Commander-in-Chief of the U.S. Armed Forces.