A region conceived as "the Indian country" was specified in 1825 as all the land lying west of the Mississippi. Eventually, the Indian country or the Indian Territory would encompass the present states of Oklahoma, Kansas, Nebraska, and part of Iowa.
Your answer is D hope this helps
South Dakota cause is closer to Asia
It was made legal in 1866 and this law made it unlawful to refuse to trade or deal
A because the industrial revolution led to businesses expanding and creating more job openings in different areas