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.
Answer:
A
Explanation:
Lots of protesters took to the streets, demanding that czar give them bread
The immediate result of trench warfare was that combatants on both sides were largely shielded from small arms and artillery fire, which prolonged the fighting and the war.