When did feudalism begin? before the period of viking, magyar, and muslim invasionsduring the period of viking, magyar, and muslim invasionsshortly after the period of viking, magyar, and muslim invasionslong after the period of viking, magyar, and muslim invasions

The correct answer is B.

Explanation:

Feudalism grew around the 900s, as a response to the Muslim, Viking and Magyar raiding. It grew as a military system to defend lands against the invaders.

Landlords would give part of they territory to knights and command them to defend it, thus establishing and expanding the feudal system.

 Feudalism began during the period of Muslim, Magyar, and Viking invasions.