Which social stratification system was favored in feudal europe and the american south before the civil war?

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Social stratification system is the system which is used as a basis for the ranking of people in an hierarchy. Before the Civil war, feudal Europe and the American South favored this social stratification system which is called the ESTATE SYSTEM. 

On april 20, 1814, the dethroned emperor left france for the isle of  elba, where he was exiled under the terms of the treaty of fontainebleau.napoleon  would be allowed to ruleelba, which had 12,000 inhabitants. perhaps cruelly, the treaty allowed him to retain the title "emperor."