How Have The Upanishads Influenced Hinduism?

How Have The Upanishads Influenced Hinduism? (upa=near, ni=down, shad=sit). These texts developed from the Vedic tradition, but largely reshaped Hinduism by providing believers with philosophical knowledge. The major Upanishads were largely composed between 800-200 BCE and are partly prose, partly verse. What was the influence of the Upanishads? Among the most important literature in the