A cataract is an area of a river where the elevation of the streambed changes too quickly or has to many boulders meaning people couldn't use part of the river as transportation.
This was a good thing because the cataracts effectively served as barriers so they could control travel. This meant that the Pharos found it impossible to control the land south of the first cataract. This ending up becoming the southern border of Ancient Egypt.
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Answer: It played a large role because a lot of europeans came to the U.S because they wanted religious freedoms. ... Very strict laws were put based on religious beliefs and would punish people by banishing them.
Explanation:
The hot and humid climate
People living in rural and urban areas to drink,bath,cook,wash cloth