Mgbe ọdịda nke France na June 1940, Britain na alaeze guzoro naanị megide Germany, ruo mgbe German mbuso agha nke Greece na 7 April 1941. British Prime Minister Winston Churchill ọma lobbied President Franklin D. Roosevelt maka enyemaka agha site na United States, ma Roosevelt adịghị njikere ịjụ Congress na-etinye mba agha. Na August 1941, Churchill na Roosevelt zutere na bịanyere aka na Atlantic Charter, nke gụnyere nkwupụta na "ikike nke ndị niile na-ahọrọ ụdị ọchịchị nke ha bi n'okpuru" kwesịrị ka a na-akwanyere ùgwù. Nke a okwu e zoro aka dị ka ambiguous ma ọ bụrụ na ọ na-ekwu okwu banyere mba Europe na-emerụ ma ọ bụ na-emebi iwu, ma Ireland họọrọ ịnọgide na-iwu na-anọpụ iche n'oge nile agha. Mgbe ọdịda nke France na June 1940, Britain na alaeze guzoro naanị megide Germany, ruo mgbe German mbuso agha nke Greece na 7 April 1941. British Prime Minister Winston Churchill ọma lobbied President Franklin D. Roosevelt maka enyemaka agha site na United States, ma Roosevelt adịghị njikere ịjụ Congress ka itinye mba agha.
Afọ 1941