Because America was founded on a promise of freedom and the citizens of America still love the freedom and don't want communism where the people don't have freedoms.
There is no President because Canada has a constitutional monarchy but there is a Prime Minister and his name is Justin Trudeau
Answer: Choices not shown
Explanation:
In 13 short years Alexander conquered a mere 3,000 miles which stretched from Greece, through the Middle East, and to Central Asia and the Indian subcontinent.