Answer:
Aryans from central Asia invaded South Asia and introduced the caste system as a means of controlling the local populations.
Answer: Researchers estimate that there were 15 million to 20 million American Indians in the territory that would become the United States at the time of first contact with European explorers in the 15th century.
Explanation:
It means that everyone, no matter who you are or what you look like or where you are from, have access to the same things under law.
The attacks of the Goths began in 247 A.D. and in 251 A.D. They lured the Roman army under the command of the Emperor Decius into a swampy region and defeated it. ... withdrew Roman troops from Dacia leaving it to the Goths. The Danube once again became the northern frontier of the Roman Empire in eastern Europe.
