The answer is B)<span> They were successful due to a single leader or dynastic regime maintaining control of the government.
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All these government were authoritarian and except for North Korea, all have since collapsed.
The one common factor among, Iraq, Libya and North Korea was that all of these were ruled by one family who were able to maintain strict control over the local population.
Even during economic upheavals, the strong one-party/family control ensured that the country endured.
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It shows the gods power among the rest
