You didn’t add any options here but I’ll define feudalism for you. Feudalism is a military hierarchy where the ruler offers troops land in exchange for military service. The individual who accepts this offer is called a vassal. The ruler who offered the land is known as the vassal’s lord.
It helped to spread Enlightenment ideas.
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................Wilbur and Orville Wright............
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The last of these emperors, Marcus Aurelius, was the final emperor of the Pax Romana. His reign was followed by the disastrous reign of his brutal son Commodus (160-192 C.E.). By this time, the Empire was struggling to hold off attacking tribes on the frontiers.
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