<span>this man was the leader of USSR = khrushchev</span>
Alexander had previously prepared takeover by defeating the Persian army at Issus and captured the Mediterranean eliminating the threat of a Persian naval invasion. As well as keeping Persian land reinforcements from coming from the West, which was key in focusing on other points.
The president is commander in chief and has the power to control the military. This allows him to enact martial law which can be used on our own soil to put down rebellions and threats to our public peace as well as our institution.
Basically my best bet is martial law.
C. jews, slaves, and gypsies from across europe were sent to concentration camps