What sacred writings contain the religious beliefs of Hinduism?

The Vedas

Explanation:

These are the most ancient religious texts which define truth for Hindus. They got their present form between 1200-200 BCE and were introduced to India by the Aryans. Hindus believe that the texts were received by scholars direct from God and passed on to the next generations by word of mouth

true

coz they had the rank system in society according to the economic power of the people

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.