Complex sentence: Over time, segments of the population embraced vegetarianism as Hinduism and Jainism spread and splintered from Buddhism while an equitable climate permitted a variety of fruits, vegetables, and grains to be grown throughout the year.
Split into simpler sentences: Over time, segments of the population embraced vegetarianism. The advent of Buddhism and Jainism affected this shift, as well as an equitable climate permitting a variety of fruits, vegetables, and grains to be grown throughout the year.