Answer:
A state should have :
sovereignty, constitutional authority etc.
if given the ability, i would employ the concept of shared powers between the state and national government
The correct answer is "Great Britain".
The German attack on RMS Lusitania and sinking of the same ship by a submarine caused Americans to join the war. This is just simply put of course, there were many other reasons.
The spread of Islam into the Maghreb is an example of Arab invasion of North Africa. The Arabs send Muslim army to Maghreb (modern morocco) to battle against Byzantines and allies, and finally conquer most of the North Africa were many Berbers (locals of Maghreb) join the Muslim army. After Arabs gain more power in the region, the Berbers are now ready to adopt and convert to Islam as well as the Arabic culture.
