Final answer:
The Gupta Empire is considered a classical civilization due to its significant contributions to world history in various fields such as literature, mathematics, art, religion, and more.
Step-by-step explanation:
The Gupta Empire as a Classical Civilization
The Gupta Empire, which lasted from the 4th to the 7th centuries CE, is considered a classical civilization due to its significant contributions to world history. The Gupta dynasty promoted learning and the arts, with Sanskrit becoming the basis for classical literature that influenced generations. The empire produced great achievements in mathematics, such as inventing the number zero and calculating the value of pi. It also saw flourishing art, religion, and the heyday of Buddhism in India, with the creation of masterpieces like the Ajanta caves and the Kama Sutra.