What was the relationship between the leaders of Britain, the US, and the Soviet Union during World War II?

The relationship between the leaders of Britain, the United States, and the Soviet Union during World War II was primarily characterized by a pragmatic alliance based on a common goal: defeating the Axis powers. The UK and the US, led respectively by Winston Churchill and Franklin D. Roosevelt, cultivated a strong partnership, sharing democratic values and military strategies against a mutual enemy. However, the relationship with Joseph Stalin of the Soviet Union was more complex.

While Britain and the US recognized the importance of the USSR's role in the war, especially after the German invasion of the Soviet Union in 1941, there was a significant level of mistrust. The ideological differences between the capitalist West and the communist Soviet Union created tension. Leaders like Churchill and Roosevelt harbored suspicions about Stalin's intentions, fearing that post-war, the Soviet Union might expand its influence rather than collaborate on a peaceful resolution.

This tension reflected a broader context where strategic cooperation was essential despite ideological divides. The alliance was necessary for wartime success, which meant that while the UK and US were relatively friendly, their trust in the Soviet leader was limited, based on a realistic assessment of his goals and past behaviors.

Overall, this nuanced understanding of the relationships during the war supports the idea that while there