As this ad indicates, supporting the war by buying war bonds and supporting a federal law against lynching (which targeted African Americans more than anyone else) were “conflicts” that were part of World War I (as covered by Chad Williams on Africana Age). (If you comment on this ad, it is an “extra”; your responses to classmates are required.)
http://hist314online.ferrellhistory.com/wp-content/uploads/2016/06/WWI-bonds-and-Dyer-bill.pdf