answer:
<em>the responsibility of protecting and defending the United States. </em>
Explanation:
<em>Under the Constitution, the President as Commander in Chief of the Army and Navy is the supreme military commander charged with the responsibility of protecting and defending the United States. The phrase “Army and Navy” is used in the Constitution as a means of describing all the armed forces of the United States.</em>
D Aida is the answer I think if it ant I am sry if it is the answer u r welcome
It connected four states in the west