What role did the government play in why the Stock Market crashed?

Q: a: which of woodrow wilson's proposals was included in the treaty of versailles?

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;