An oligarchy is a government in which the ruling power belongs to only a few people.
Answer:
Because settlers were trying to assimilate Native Americans and moving into their territory without permission
Explanation:
The pilgrims in the early 16’s arrived in search of religion and freedom. From the 17th to the 19th century hundred thousand African-Americans came to America against their will. The first significant federal legislation restricting immigration was 1882 Chinese exclusion act.
Vasco de Gama was a Portuguese nobleman who left Portugal in 1497, sailed around Africa, and reached India in May 1498