Answer:
On December 20, 1836, President Andrew Jackson presents Congress with a treaty he negotiated with the Ioway, Sacs, Sioux, Fox, Otoe and Omaha tribes of the Missouri territory. The treaty, which removed those tribes from their ancestral homelands to make way for white settlement, epitomized racist 19th century presidential policies toward Native Americans. The agreement was just one of nearly 400 treaties—nearly always unequal—that were concluded between various tribes and the U.S. government between 1788 and 1883.
Explanation:
1) They mostly spread Islam through conquering new countries. What they did also was unite all people under a single rule and ended religious uprisings.
2) There was tensions because one faction believed that Muhammad should be succeeded by someone chosen by people, while the other faction believed that his successor should be someone from his bloodline.
It gave them water to grow plants then able to build houses and ect.
They change government in Europe because they were not good.
