Which of the following best explains why the United States Senate rejected American participation in the League of
Nations after World War I?

In 1919 the Senate rejected the Treaty of Versailles, which formally ended World War I, in part because President Woodrow Wilson had failed to take senators' objections to the agreement into consideration. They have made the French treaty subject to the authority of the League, which is not to be tolerated.

Explanation: Hey I did not fully understand this question. I hope I can/ did help you. But like i said I do not understand this. So yeah um bye :)

c. troops marched forward in close formation against newer, more accurate weapons

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.