Answer:
I believe the answer is c, It weakened confidence that the US could win the war.
Human autonomy is the key concept of Enlightenment ideas. This passage relates to those ideas because Napoleon is refering to the importance of reason over beliefs. When he says "the souls of men proceed along different roads" he is also claiming that any religion is valid to feel close to the creator. In a sense Napoleon makes reference to secularization (the idea of religion and politics should be separated and that one's method of worship should be a private matter). That is why he claims that he could be Catholic, Muslim, or Jew.
After the fall of the Ching Dynasty, the Republic of China (RoC) emerged. However it was riven by internal strife. Much of the early years was spent fighting the various warlords. After the death RoCs founder Sun Yat-Sun, he was succeeded by Chiang Kai Shek aka Generalissimo. He spent much of his time building up the Chinese army and fighting other warlords and the Communists. It was effectively strongman politics. Sun Yat-Sun and Chiang Kai Shek were not elected, so in a sense, similar to Communists. Chiang was aligned with the West. Mao with the Soviets. An interesting bit of trivia is that the crack Chinese units were trained by the Germans. They gave a good account in the Battle for Shanghai, although their strength was depleted after that. This is why some Chinese officers used the Mauser C96 aka Broomhandle pistol.
The main aggressor during WWl is considered to be Germany.
A belief that the growth of the United States was a certainty.
