A command economy is one in which a centralized government controls the means of production and determines output levels. Command economies stand in contrast to free-market economies, those in which the law of supply and demand determines output and prices.
Gave equal power to the people and the government.
The best answer is C) <span>the impact of arab trade conquest and culture
Islam began in the Arab world. The spread of Islam in Africa demonstrates the exchange of Arabian ideas as a result of Arabian conquest, trade, and cultural influence in Africa. </span>