I think that it's C. copyright infringement
Sorry if I'm wrong
Both the Democratic and Republican Parties would support the idea that the United States should defend itself both in times of war and when it feels as though it's being threatened, since both parties believe deeply in national security.
There were actually four HUGE causes for WW1, treaties and alliances brought many countries into war, the imperialism of some countries scared other countries, and they were "defending" themselves, there was a lot of weapons stocking, and countries were creating gigantic armies, and that threatened other countries, and then we have plain old nationalism.
Expansion of the united states of America from the Pacific coast to the Atlantic coast
Religious Freedom. Hope this helps!