Today, the United States is very active outside the borders of North America, but this hasn’t always been the case. It was the result of many years and various events that slowly eased the U.S. out of its borders and into foreign affairs. It all started in 1845, with the idea of manifest destiny. Manifest destiny was the idea that it was the United States’ right and destiny to expand. This is what started the U.S. on its journey of expansion that has so far lasted over 150 years. Within that time, the creation of the Monroe Doctrine, the annexation of Hawaii, and the Spanish-American war are three events that will give a great illustration as to how the U.S. has gone from an isolationist country to an imperialist nation. The Monroe doctrine
