Which of the Following Is an Accurate Description of the Exchange

Which of the following is an accurate description of the exchange that took place between the Vedic people and the Indus Valley people?

A) Vedic people adopted the local religious culture of the people of South Asia and the South Asians adopted iron working from the newcomers.
B) Vedic people adopted the agricultural skills of the people of South Asia and the South Asians adopted the newcomers' language.
C) Indus Valley people found horse breeding to be a major source of wealth and Vedic people adopted the social structure of the Indus people.
D) Indus Valley people added beef to their diets and Vedic people relinquished their elaborate religious rituals.