a is the answer (at least that's what i believe)
I think their called the cabinet
Answer:The late 19th-century United States is probably best known for the vast ... faster and faster; work was often performed in factories built to house the machines. ... Now, however, there were increasing reasons for workers to join labor unions.
Explanation:
Answer:
C.
Explanation:
There were several tribal treaties, both between tribes and settlers. However, several tribes agreed to give up land and live on reservations.