Identify each cause of the following of the french revolution as social political or economic

I think that the causes of the French Revolution are the following:

1) ECONOMIC cause is the unequal tax burden between the estates 

2) SOCIAL cause is the division of French citizens into three estates

3) POLITICAL cause is the unequal representation of the third estate in the Estates-General

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lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

declare war, appoint military officers, sign treaties, make alliances