They had very little supplies and financial backing for the war.
They funded them with guns and ships and so the balance shifts
listen to this I promise u will get the answer so easily in a fun way https://youtu.be/dwydujSqMRA
I think that the best answer is the geographic location: many other countries (Sweden for example) have tried being neutral at different times but did not manage to: but the fact that the US has only two boundaries, and that both other countries also have a history of fighting from independence from a European power, makes it possible that unless US decideds to get involved in international politics, it can be "left alone".
Answer:
Answer is below
Explanation:
Macedonia (green area)
Mediterranean sea (bottom left corner)
Athens (right of Sparta)
Aegean sea (above Athens)
Ionian sea (top left corner)
Peloponnesus (left of Sparta)
