Sargon of akkad (c. 2350 b. c.e.) is significant because he: a. was the first lugal to conquer neighboring city-states. b. subdued sumer and exerted influence from ethiopia to the indus valley. c. built observatories and introduced the more accurate akkadian calendar. d. sent ambassadors to distant lands ranging from ethiopia to europe. e. was the first ruler in history to take the title of "emperor."

B) subdued Sumer and exerted influence from Ethiopia to the Indus Valley.

Explanation:

Sargon is the founder of the Akkadian Dynasty, and his most celebrated accomplishment is the conquest of Sumer in the 24th to 23rd centuries BC. Traditionally, Sargon is described as the first person in history to create an Empire and to rule over it. His conquest of the Sumer occurred because of the lack of political organization of those cities, which contributed to Sargon's victory. The extension of the Akkadian Empire was from Mesopotamia to Anatolia, comprising almost 250.000 km2.

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