Why was the us at the forefront in negotiating many of the international treaties of the 1920s?

United States was at he forefront in negotiating many of the international treaties of the 1920s because the U.S., as the world's richest nation, was vital to any international agreements.

The U.S., as the world's richest nation, was vital to any international agreements.

Hope this helps! ^^

~Kana