Final answer:
The assertion that the Mahabharata and the Ramayana are the key repositories of Hindu stories is true. These epic poems are essential parts of Hindu literature, containing a wealth of stories and philosophical teachings.
Step-by-step explanation:
The statement that the key repositories of Hindu stories are the Mahabharata and the Ramayana is True. These two epic poems are central texts in Hindu tradition. The Mahabharata is a lengthy epic poem that details the dynastic struggles and battles of the Kuru clan, particularly focusing on the conflict between the Kaurava and Pandava branches. It also includes the Bhagavad Gita, a revered spiritual dialogue that is part of this greater epic. The Ramayana narrates the life of the ancient king Rama, focusing on his 14-year exile and the trials he faces. Both epics are considered to be a historical account, a moral tale, and an exposition of the principles of Hinduism, containing numerous stories within their vast narrative.