This document outlines objectives for understanding the US involvement in WWI. It discusses Wilson's initial neutrality policy, events like the sinking of the Lusitania that drew the US closer to supporting the Allies, and the content of the Zimmermann Telegram intercepted by Britain that proposed a German alliance with Mexico against the US and contributed to the US declaration of war in 1917. The objectives cover understanding US wartime leadership and mobilization as well as the costs and actions taken to prepare the nation for war.