What final incident made President Wilson declare war on Germany?

 I think Germany's resumption of submarine attacks on passenger and merchant ships in 1917 became the primary motivation behind Wilson's decision to lead the United States into World War I.

Explanation:

the influence of daoism, buddhism, and legalism on chinese culture. unlike confucianism, daoism looked to nature rather than human beings as the source of morality. according to laozi, human society has to conform to the dao (the way), or the essential unifying element of all that is. some interpret dao as nature.

d is the best answer for this question.