Why have some countries in the Middle East become economically powerful? A.
They have the greatest oil reserves.
B.
The region has the greatest coal reserves.
C.
They are the greatest exporters of automobiles.
D.
The countries are self-sufficient.

A. They have the greatest oil reserves.

Explanation: For example, Saudi Arabia traded oil with the US and other modern nations that needed a lot of oil. Their economy was booming.

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france. 

because it took place after the war of 1812 had come to an end.