When did the caste system evolve into a four tiered hierarchy?

a.) when the aryans ruled over the region
b.) when the arabs ruled over the region
c.) when the mongols ruled over the region
d.) when the gupta empire ruled over the region

Develop your own point of view on whether the us should have expanded its borders. use information from the lesson and the maps to explain your opinion. give at least two reasons for your point of view and answer the following in complete sentences.

What were the immediate effects of prohibition? check all that apply. bootleggers illegally made and sold alcohol. corruption and crime increased. speakeasies were the only legal places to buy alcohol. crime and corruption decreased. alcohol sales were banned in the united states.

The case of brown v. board of education was started when a. oliver brown's daughter had to walk 21 blocks to the nearest school when an all-white school was only 7 blocks away. b. oliver brown's son was caught at a sit-in at the local school district. c. oliver brown's son was unable to participate in the school's all-white football team. d. oliver brown's daughter was unable to attend high school because there were none for her to attend.