American Pageant bailey packet 13th edition

chapter 35 (America in the World War II 1941-1945) - map challenge

Expain the principal movements of Allied armies and navies in relation to the principal Allied strategies of the war determined in the ABC-1 agreement and the various wartime exchanges and meeting among American, British, and Soviet leaders.

*ABC-1 Agreement* - the strategy to fight Germany first rather than Japan in the WWII

i do not understand at all what i need to write, if someone knows it please help me out cause this is due tomorrow...