What was fuedalism, and how did it influence medieval Europe

Feudalism was the medieval model of government predating the birth of the modern nation-state. Feudal society is a military hierarchy in which a ruler or lord offers mounted fighters a fief (medieval beneficium), a unit of land to control in exchange for a military service.

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Feudalism was a system used in ancient times.

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They were used to determine where a person would work and how much money they would earn. Feudalism influenced medieval Europe by discouraging the unified government and discouraging trade and economic growth.

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japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.