why did alliance break down between brtain ussr and usa As historian mark rice reminds us, nato's mission has from the very  of world war ii (the soviet union, britain, france, and the united states) broke down.
{"Image DocumentName": "Why did the Grand Alliance breakdown?", "Image ImageDescription": "In 1941 Nazi Germany invaded the Soviet Union and along with Japan, declared war on the USA. Despite their long-term differences, the USSR, UK and USA formed a military alliance \u2013 the \u2018Grand Alliance\u2019. Suspicions remained throughout the war. They met at three conferences during the war: Tehran in 1943, and Yalta and Potsdam in Disagreements emerged over Germany, Poland and Eastern Europe, Economic reconstruction and nuclear weapons \u2013 after the war, these problems remained unresolved. By 1946, the Grand Alliance had broken down completely.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}