Muhammad was considered a prophet and, thereby, seen as a wise leader.
In addition, they felt that he could settle any issues that would arise
between the people inside of the cities. In addition, this allowed for
more jobs to be created from the newly settled towns, which gave
security to the townsfolk.
In Europe, late in the century, the Vikings, seafaring peoples from Scandinavia, begin raiding the coasts of Europe and the Mediterranean, and go on to found several important kingdoms.
In Asia, the Pala Empire is founded in Bengal. The Tang Dynasty reaches its pinnacle under Chinese Emperor Xuanzong. The Nara period begins in Japan.
Buganda, I believe! Hope I can help!
One of the main factors leading up to the Civil War was territorial expansion into places like Arizona and Texas, with the question being whether these new states would be free or slave. It was in Arizona's interest to side with the slave states.
Because it was a threat to American citizens. It was close enough to do major harm.