Answer:U.S.-British Staff Conference
(ABC-1) Washington, D.C. January 29 – March 27, 1941 American, British, and Canadian military staff Set the basic planning agreement for the U.S. to enter the war
Atlantic Conference
(RIVIERA) Argentia, Newfoundland August 9 – 12, 1941 Churchill and Roosevelt Atlantic Charter, proposal for a Soviet aid conference
First Moscow Conference
(CAVIAR) Moscow, USSR September 29 – October 1, 1941 Stalin, Harriman, Beaverbrook, Molotov Allied aid to the Soviet Union
First Washington Conference
(ARCADIA) Washington, D.C. December 22, 1941 – January 14, 1942 Churchill, Roosevelt Europe first, Declaration by United Nations
Explanation: