Did the u.s forces european forces defeat germany?

Yes, they did. The allied powers helped supply the u.k with troops and ammunition before entering the war. When they did, the allid powers began to win the war, ending to the eventual defeat of nazi germany

Explanation:

Until the 1970s, the United States continued to acknowledge the Republic of China, located on Taiwan, as China's true government and supported that government's holding the Chinese seat within the international organization.