Delaware was the first state with a constitution
The British enforcing certain taxes without the representation of the colonists.
Feudalism was a set of legal and military customs in medieval Europe that flourished between the 9th and 15th centuries. It can be broadly defined as a system for structuring society around relationships derived from the holding of land, known as a fiefdom or fief, in exchange for service or labor.
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Explanation:
it's true it's the first Islamic Empire