Answer: ummm no offense but I don’t think anyone wants your number....
Explanation:
Slavery ended when President Abraham Lincoln delivered his iconic Emancipation Proclamation. This would eventually free black people so they could become ordinary citizens and NOT slaves. So basically, slavery was ended all thanks to good ol' Lincoln :)
Answer:
Sumer had unpredictable floods, causing the need to develop irrigation. It had no natural barriers, causing the need to build walls. It had a lack of natural resources, fostering the need for trade with other peoples.
Explanation: