An example can be the Missouri Compromise. According to it, a line was made and it was decided which countries could have slaves and which not. Now, it was considered to be a relatively good compromise because it helped the Union stay together, but watching it from the modern times it was most certainly not a good compromise because any compromise that establishes slavery anywhere is definitely not a good one.
C-It did not have a large professional middle class.
Mostly because our modern civilizations were born there. "The region saw the development of some of the earliest human civilizations,
which flourished thanks to the water supplies and agricultural
resources available in the Fertile Crescent. Technological advances made
in the region include the development of writing, glass, the wheel, agriculture, and the use of irrigation." ~Wikipedia
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