The excerpt of the poem was imperialism
By the end of the 30s, Americans were evenly divided in terms of what to do about the War in Europe<span>. Unclear about whether or not to get involved with the problems of Europe, many Americans wanted to remain isolationist. Others thought that we should become more involved in both the economy of Europe as well as its political problems. No matter which side of the argument you came down on, it was becoming quickly evident that the notion that Europe and America were two different worlds separated by an ocean was a comfort that we could no longer enjoy.</span>
The allies wanted to ensure that Germany wouldn't threaten other countries in Europe.
A nation-state is a state that is based on one nationality. Often, people of the same nationality share their religion too, and sometimes it also serves to differentiate themselves from other nations, such as in the case of the Bosnians, Serbians and Croats.
A shared religion can be something that the majority of the population shares.