The Treaty of Versailles caused long-term instability in Europe (and parts of Asia) by ignoring the nations who had lost WWI. The treaty didn't provide any support for the nations who had lost, creating resentment in the hearts' of their people. This disunity allowed for the rise of facist dictators post-WWI, eventually causing World War II.
Had no centralized government
The Neutrality Acts (1936-1939) held that the United States would not get involved in the growing unrest that was taking place in Europe in the years leading up to World War II, since the US during this time was very isolationist in temperament. <span />
As there were low amount of medics so they needed women
