<span>Isolationism tends to be borne out of a sense of nativism: that is, the idea that we are the best country among others tends to make us wary of wanting to help other nations. In the '20s, this idea that we shouldn't entangle ourselves in the arguments of other nations led to the US taking an isolationist stance on world diplomatic matters.</span>
In his inaugural address in 1861, Jefferson Davis outlined the reasons why the Southern states ought to split from the North. They were a farming state that thrived thanks to the labor provided by the black states.