How did the collaboration of Churchill, Roosevelt, and Stalin help end World War II?

A.)They established a system of trust among their countries' governments.
B.)The combined efforts of these countries overpowered Germany and Japan
C.)They adopted a unified strategy to defeat the Axis powers in Europe
D.)They offered moderate surrender terms to Germany to ensure a quick peace.

The correct answer is C.) They adopted a unified strategy to defeat the Axis powers in Europe.

The collaboration of Churchill, Roosevelt, and Stalin played a significant role in ending World War II by developing a common strategy to defeat the Axis powers, particularly Germany. This collaboration was evident in key decisions, such as the division of Germany into zones of occupation, the planning of the Normandy invasion, and the coordination of military operations. This unified strategy and coordination of efforts helped to bring an end to the war in Europe.