After the American Revolution, why did other nations look to the United States as a model nation?

"The U.S has been necessary to retain their freedom" would be the appropriate response.

Explanation:

Only after the American Civil war, several states saw the U.S as a successful state seeing as how the U.S was interested in preserving its sovereignty. The Continental forces, commanded by Colonel George Washington, vanquished several British soldiers throughout the American revolution because that's how the U.S achieved its autonomy from either the foreign king.

In my honest opinion , i’d say franklin d roosevelt was a president that impacted our nation , i say this because fdr is voted among top three best us presidents and he was the longest serving president by 3 terms , usually presidents only supposed to have two terms increments of 4 years , equivalent to 8 years total before election time. and he established the fdic , through the 1933 banking act and he established the us , social security system , during his presidency, and established a national minimum wage , through the fair labor standards act , fdr led the allied coalition to victory in wwii and he played a major role in the creation of the united nations.

The answer would be a