The Major Reason for the Transformation of Brahamism to Hinduism

Multiple Choice

The major reason for the transformation of Brahamism to Hinduism occurred with

A) a growing emphasis on devotion as a means to improve one's Karma had more widespread effect.
B) antagonism within the feuding factions of Mahayana and Theraveda Buddhism.
C) the arrival of Islam and a concerted effort to retain Indian culture instead of Muslim.
D) Simplification of the Vedic texts and decline of the power of the Brahmin jati.
E) competing Sutras within Buddhism confused followers as to which one was proper.