D,E,C
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well if the study was for regions then <em><u>D</u></em> would make the most sense
explanation: A would be wrong due to the fact it has nothing to do with the differences between regions
B would be wrong due to the fact its about a method not a ruler
c would be wrong due to the fact that it just doesn't meet your region requirement
d mentions regions & monarchy hence forth being your answer
The Glorious Revolution of 1688-1689 replaced the reigning king, James II, with the joint monarchy of his protestant daughter Mary and her Dutch husband, William of Orange. It was the keystone of the Whig (those opposed to a Catholic succession) history of Britain.
It would be D. (King James 11)