Answer:
African Americans
Explanation:
In the middle of the century, northern manufacturing extended the use of power-driven machines to a wider range of commodities. Agricultural mechanization throughout the 20th century led to dramatic shifts in farming. Tractors, combines, harvesters, and other farming equipment are helping farmers grow more.
Orogressive movement of Africans Americans northward starting at the beginning of the twentieth century was a result of economic boom in the this areas, they had to migrate and find jobs that can feed them and their families.
Since you provide no options, one thing that proved to be a major hardship for settlement in the new england Colonies was : food
Back then, the settlers were in the condition where they do not have sufficient foods and they have to suffer through hunger
Hope this helped
Roman architecture and statues
B — the more the product, the less the value