I would answer C. -European Crusaders, attempting to win back Jerusalem, enslaved most of the Muslim world.- as the answer.
The Simple answer is No, tho Aschwitz was the biggest and most well known in eastern Europe
It feared that Europe wanted to infringe on the newly gained US independence. They were afraid that European countries that were developed enough wanted to gain control of various portions of the American continent. This would limit the growth potential of the US as a country.
The main factor that contributed to the rising of the Kingdom of Ghana is the African trade in gold and salt. Though the resources did not come from Ghana, it was situated in a trading route between salt miners in North Africa and gold traders from South Africa.
A committee appointed for a particular or temporary purpose in either the house or the Senate is referred to as a "subcommittee" since they are usually part of a bigger group.