What countries did the big 3 represent?​

The Soviet Union, Great Britain and USA.

Explanation:

The term Big 3 was used to describe these 3 countries after  World War as they were the 3 major victorious powers. Their leaders held a series of Conferences, where decisions were taken to shape the post-war world.

well this isn't a question but if you are asking if it is true or false it is, true.

answer; marvin gaye;