Islam entered on the Russian scene via Iran in the 7th century A.D. (1st century A.H.). In 642, Azerbaijan came under Muslim control. The Muslims also occupied the extreme border town of Darbund in 658. After the conquest of eastern Caucasia (Qafqaz) Islam began to spread in these areas without any resistance. The Muslim armies crossed the river Oxus in 673. Bukhara fell to the Muslims in 674.
Yea when a company monopolize something than they are the only ones in that area with that product so than can jack up the prices because they have no competitors<span />
Rice and indigo were the main crops. Growing rice requires much labor and so did indigo. Hope this helped!!:)