The name of this ancient civilization is<u><em> Harappan </em></u>and the best preserved and most extensively excavated archeological site is <u><em>Mohenjo-Daro</em></u>.
Explanation:
Mohenjo-Daro was one of the largest settlements in the Indus Valley. According to the scholar Dani A.H., this site was built around the year 2500 B.C., and had a remarkably civil engineering and urban planning. Under the decline of the Harappan civilization around 1900 B.C., Mohenjo-Daro was abandoned.
He wanted to form an alliance against an invasion from Russia. He wanted to examine the military strength of European countries. He wanted to amass as much land as possible for France.