"Sumerian city-states fought each other" would be the best option from the list, since this internal division led to a collapse of power that left people without protection or a solid economy.
D. Robert Smalls
He was an African American slave and gained his freedom and became a ships pilot ,sea captain, and politican
Answer:
A
Explanation:
Its straight forward , it's the Organisation of Petroleum Exporting Countries and has nothing to do with it been a consolidate of Arab nations even though their land is dotted with oil.