All of the Following Are True About the Economies of the Middle

All of the following are true about the economies of the Middle East except

A) the socialist economies in the region have been more prosperous than capitalist ones.
B) no nation in the region has attempted to create a Leninist socioeconomic system.
C) a lack of adequate water resources and rapid population growth have created serious economic problems in the region.
D) emigration has served as a type of wealth re-distributor in the region.
E) that uneven oil income has caused vast differences in wealth distribution in the region.