Which statement BEST describes India's history during the Gupta Dynasty (320-500s CE) ?

During the Gupta Dynasty, India accomplished prosperity, the society was organized in a caste hierarchy society and according to the Hinduism principles. In this period, the deities and characteristics of the Hinduism were consolidated. Moreover, the empire made progress in literature, arts and science. The international commerce and cultural exchange also experienced big progress.

relative peace and intellectual achievements