The 13th colonies were afraid the British Navy were surrounding them.
I belive that the president should have two terms because if the president had infinite terms, he would more of a pharoah and therefore turn into a monarchy rather than a democracy.
I really hope this helps you. I cannot confirm this answer but good luck anyway!
Capitalism is my best guess, considering it is one of the few forms of economy that allows mostly free production. Free enterprise could also be the answer.