What was the result of the Battle of Britain in 1940? Although German air strikes killed many British civilians, the Royal Air Force used new radar technology to win the battle and postpone German invasion plans. Thanks to the launching of their Luftwaffe air force, the German military won its first victory during the war after a series of major losses. Winston Churchill's approval ratings as prime minister plummeted as Great Britain grew convinced that it would lose the war. The British managed to avoid major civilian casualties and experienced little damage to their major cities, thereby boosting the morale of the Allied forces. The British gave up control of a number of their ports to the Germans, as the Germans had launched a primarily naval attack. D Question 5 What happened to members of the Bonus Expeditionary Force? They left Washington after Congress accepted their demands. Congress gave them employment in the Park Service and Capitol Police. They left Washington after Congress rejected their demands. Congress ignored their presence until they dispersed. They were violently confronted by federal troops under Douglas MacArthur. 2 pts