It has been said that great powers do not have friends, only interests. The United States became a great power following World War II - Pax Americana has existed ever since. The United States did not harbor global ambitions in its very beginnings in 1776, exerting great efforts to isolate itself from the world.
A united, hostile Eurasia would be the only entity able to match the United States economically and militarily. (Shutterstock)