WORLD CIVILIZATION

Detailed explanation-1: -The 27th century BC was a century that lasted from the year 2700 BC to 2601 BC.

Detailed explanation-2: -B.C. stands for “before Christ, ‘’ meaning before Jesus was born. So 400 B.C. means 400 years before Jesus was born.

Detailed explanation-3: -By at least 2700 BC, the Sumerians lived alongside Akkadians, whose king Sargon established the first lasting Mesopotamian empire, and whose Semitic language evolved into the dialects of the Babylonians and Assyrians.

Detailed explanation-4: -The history of India begins with the birth of the Indus Valley Civilization, known more specifically as the Harappan Civilization. It flourished around 2, 500 BC, in the western part of South Asia, that is Pakistan and Western India.