Answer:
Classical antiquity (also the classical era, classical period or classical age)
is the period of cultural history between the 8th century BC and the 6th
century AD centered on the Mediterranean Sea, comprising the interlocking
civilizations of ancient Greece and ancient Rome known as the Greco-Roman
world.Ancient India is often called the Harappan Civilization because one of the ancient
cities was called Harappa. Harappa was just one of 1500 cities in the Indus River
Valley. Another well-known city is called Mohenjo-Daro. Historians estimate Ancient
India to be the biggest of all four early civilizations .
