Which statement is correct about the development of civilization in ancient Mesopotamia? 1Hammurabi united the majority of Mesopotamia in 4000 BC.
2Alexander the Great conquered the Persian Empire in 2000 BC.
3Cuneiform writing became widespread in 2400 BC.
4Mesopotamia became part of the Persian Empire in 3500 BC.

Ahistorian has discovered a letter written by an early roman emperor. she translates the letter and discovers that it contains orders to a general before a battle. she works to determine when the letter was written to figure out which battle the letter references.the historian in the passage is most clearly demonstrating which historical thinking skill? a. identifying causes and historical contextb. thinking chronologicallyc. making and evaluating arguments and interpretationsd. analyzing historical sources