The caste system of anciet india did which of the following?

Brahmin(Priests)

kshatriyas (Ruler, administrator)

Vaishyas( Trader, merchant, farmers)

Shudras(labour)

Explanation:

The following are the caste ancient system of India.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

the answer to your question is a because laws act as guidelines as to what is accepted in society. without it there would be conflicts between social groups and communities. it serves as a norm of conduct for citizens.