The sioux indian attacks on stagecoach lines.
<span>The causes of the Sand Creek massacre
were rooted in the long conflict for control of the Great Plains of
eastern Colorado. The Fort Laramie Treaty of 1851 guaranteed ownership
of the area north of the Arkansas River to the Nebraska border to the
Cheyenne and Arapahoe -that part was sighted off history.com- </span>
I believe it's Marcus Garvey
Answer:
D. Lower birthrate
Explanation:
The graph shows more old people than young people which is most easily explained by lower birth rates.
This might be confusing because of the Black plague but that was only between 1346-1353
hope this helps :)
Persona Computers
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