The high middle ages brought about what?

Key historical trends of the High Middle Ages include the rapidly increasing population of Europe, which brought about great social and political change from the preceding era, and the Renaissance of the 12th century, including the first developments of rural exodus and urbanization. By 1250 the robust population increase greatly benefited the European economy, reaching levels that would not be seen again in some areas until the 19th century. This trend faltered in the Late Middle Ages due to a series of calamities, notably the Black Death but also including numerous wars and economic stagnation.

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