Which of the following countries was not one of the “big-3” at the paris peace conference?

The United States, France, Italy, and Britain were the Big 4 who met to discuss the treaty.

Explanation:

this means that germany had to pay the allied countries. reparations are/is essentially payment for something that they have done wrong, so after ww1, germany was forced to pay reparations so they could replenish the allied countries resources' that they had lost during the war.