Slash and burn agriculture would have been practiced most prominently in the river valleys of Egypt, since this is were lots of plant life existed, which needed to be eliminated to make room for fields.
Hudson was the only one that did not start a settlement in North America
Answer: the lower house of the United States Congress, the Senate being the upper house. Together they compose the national legislature of the United States
Explanation:
They are actually very suitable for long distance trade. They are one of the most important rivers in Africa.