B. which groups of people
moved onto the plains in
the late 1800s? why did
they come?

hi sandy!

Explanation:

Land prices in the East became too expensive, and the West (Great Plains) offered the opportunity for more people to own land. Although the area suffered from extreme weather and poor soil, many people decided to take the risk and venture to the Great Plains. The government promised to help those who decided to make the move.

Settlers in Europe seeking freedom also saw an opportunity in moving to the Great Plains. This move presented an opportunity for European immigrants to escape poverty in their home countries.

African-American settlers also moved to the Great Plains to begin their lives as free men. The cheap land gave them the opportunity to own a factor of production that would help them a lot to improve their economic situation.

American businessmen did the same, trying to access the emerging market. His goal was the farmers and everyone else who moved to the Great Plains.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

the process of industrialization is called a revolution because