I think that the answer is probably B.
Answer:
Woodrow Wilson's domestic policy that, promoted antitrust modification, tariff revision, and reform in banking and currency matters. Authorized Congress to enact a national income tax.
Explanation:
The caste system divides Hindus into four main categories - Brahmins, Kshatriyas, Vaishyas and the Shudras. Many believe that the groups originated from Brahma, the Hindu God of creation.
Volunteer soldiers. In America, there are no enlisted men, only citizens willing to give up their lives for their country. But during a serious war, there can be soldiers being deployed against their will so that there are more soldiers to help during the war.