The “exchange” introduced a wide range of new calorically rich staple crops to the Old World namely potatoes, sweet potatoes, maize, and cassava. The primary benefit of the New World staples was that they could be grown in Old World climates that were unsuitable for the cultivation of Old World staples.
They built the first city in the world
They enacted the earliest known comprehensive legal code. ...
They developed the first ever positional number system. ...
They could perform advanced arithmetic calculations.
MESOPOTAMIA IS RESPONSIBLE FOR MANY “FIRSTS” IN HUMAN HISTORY
Answer:
the empire state building
Explanation: