Which country was forced to take responsibility for World War I under the Treaty of Versailles?

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)

Using complete sentences, explain how american indians felt about the land allotments. be sure to include their concerns about the program in your answer.

How did the spanish-american war affect american expansionism? a.) america took control of hawaii, cuba, and the pacific islands of guam. b.) america took possession of cuba and the philippines. c.) america gained control of puerto rico and hawaii. d.) america gained control of cuba, puerto rico, the pacific island of guam and the philippines.