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>
<span>One of the first transformations was the shift from agricultural economy to one based on wages and the exchange of goods and services. The second transformation was urbanization. The cities grew as the jobs grew. The debate on slavery emerged as a giant issue. The issue on the rights of states did as well. The Second Great Awakening happened during this time. Westward expansion also occurred. A war on Mexico happened in 1846 to acquire Texas, California, and all land in between.</span>
Answer:
c) south carolina was voting to secede
Explanation:
The answer is Literacy increased among ordinary people.
I searched that just to make sure that I was right.