Answer:
West Virginia
Explanation:
The U.S. state of West Virginia was formed out of western Virginia and added to the Union as a direct result of the American Civil War (see History of West Virginia), in which it became the only modern state to have declared its independence from the Confederacy.
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
The Indian Removal Act of 1830 implemented the U.S. government policy towards the Indian populations, which called for moving Native American tribes living east of the Mississippi River to lands west of the river.
