Its C because the Indians got mad after the treaties were not honored and became semi-hostile to which the US gov sent in troops which promptly started several Indian wars.
The best and most correct answer among the choices provided by the question is the fourth choice "<span>Stock prices had risen too high because of speculation. "</span><span>
</span>The stock market crash<span> of </span>1929<span> was not the sole cause of the Great Depression, but it did act to accelerate the global economic collapse of which it was also a symptom. By 1933, nearly half of America's banks had failed, and unemployment was approaching 15 million people, or 30 percent of the workforce.</span>
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The stamp act, Virginia resolves, magna carta and petition of rights, Declatory Act, Townsend Duties
Thats all I know .. I think