Answer:
Valley Forge is vastly regarded as a turning point in American struggle from independence as it tested the resolve of not only the American army, but the entire nation. it is believed to have rejuvenated the spirit of the army.
There are many reasons as to why. The belief in freedom, personal gain, as well as the British as a common enemy. To illustrate, many European countries could relate to the feeling of having their freedoms and rights infringed, especially by the British. At the time, Britain was a world power and had made many enemies, especially that of France, a country that is notorious for aiding America in the Revolutionary War. Furthermore, European countries had their own interests in mind as well--these countries had lost a lot during the Seven Years War, and hoped that becoming allies of America would would help them regain territory, as well as find a new trade partner in the United States.