The presidential oath of office contains a pledge to defend and protect the Constitution of the United States, and by implication the liberties of the American people that the document is intended to preserve. In light of this, can you name which of the delegated powers in the U.S. Constitution allow the president to invade …The presidential oath of office contains a pledge to defend and protect the Constitution of the United States, and by implication the liberties of the American people that the document is intended to preserve. In light of this, can you name which of the delegated powers in the U.S. Constitution allow the president to invade …