Answer:
Commander in Chief of the Army and Navy of the United States, and of the Militia of the several States, when called into the actual Service of the United States
Explanation:
The president can declare war because he is the leader of the nation. He has full contact with any of the other nations leaders. If he feels like he needs war, then he needs war.
Because they believed that big businesses are the ones that causes large economic growth in the U.S.
Probably your best bet is "<span>the removal of Bosnian Serbs from political power"</span>