¿Cómo se define el feudalismo? ¿En qué siglos se desarrolló?

En términos generales, era una forma de estructurar la sociedad en torno a las relaciones derivadas de la tenencia de la tierra a cambio de servicio o trabajo. floreció en la Europa medieval entre los siglos IX y XV.

Explanation:

(this is a rough translation and I don't know spanish all that well so..)

Here is the english version:

Broadly defined, it was a way of structuring society around relationships that were derived from the holding of land in exchange for service or labour.

flourished in medieval Europe between the 9th and 15th centuries.

answer; ///he could not explain why the continents drifted;