Answer:
Provided places to fish and hunt. Also, because when the lands flooded it then became fertile.
Explanation:
The abolitionist movement was very powerful in the North, since the North did not rely heavily on a slave population and because slavery had long-since been depleted in the region.
He was talking about the political divide between Western and eastern europe. Eastern europe was mostly communist. Whereas, western europe was made up of democratic countries.
Western Asia, by the Tigris Euphrates river