What is the most important result of us policy influence in europe? nato has grown to encompass more european countries. democracy has overtaken communism throughout most of europe. over 30 european countries now share a common currency. the european union formed a peace agreement among member countries.

The correct answer is the second option here.
The biggest and most important result of the US policy influence in Europe is that people now live in the democratic societies and not in the communist ones. The US foreign policy was mainly pointed towards containing communism and rebuilding European countries after the World War II. Thus the democratic societies are a direct result of that.

The most important result of US policy influence in Europe would be Democracy has overtaken communism throughout most of Europe.They helped the country solve its problem and that the slavery declined due to this change.