What factors made the wartime alliance between the USSR and the Western Allies an easy one?

3 answers

1. Shared enemy: The Western Allies and the USSR were united in their common goal of defeating Nazi Germany and its allies. This common enemy made it easy for them to set aside their ideological differences and cooperate towards a common military objective.

2. Pragmatism: Both the Western Allies and the USSR recognized the strategic importance of working together to defeat the Axis powers. They understood that by joining forces, they could achieve a quicker victory and prevent further aggression from the Axis powers.

3. Mutual interest: The USSR and the Western Allies had mutual interests in maintaining stability in Europe and preventing the spread of fascism. By working together, they could ensure a more stable post-war world order.

4. Military necessity: The USSR and the Western Allies needed each other's support in terms of military resources, intelligence sharing, and coordination of military operations. This practical need for cooperation made the wartime alliance an easy choice for both sides.

5. Public opinion: In both the USSR and the Western Allied countries, public opinion generally supported the idea of a wartime alliance against the common enemy. Leaders on both sides recognized the importance of maintaining public support for the war effort and saw the alliance as a way to rally their populations behind the war effort.
A shorter version of the answer
The shared goal of defeating Nazi Germany, mutual military necessity, common interest in maintaining stability in Europe, public support for the war effort, and the practical need for cooperation all made the wartime alliance between the USSR and the Western Allies an easy one.