Feudalism has many benefits; it is through this that the common men were free from the invaders. It saved people from the invader and plunders, thus creating a favorable society everybody. The feudal also managed to save men from the hands of mistreating king. Therefore it is through feudalism that a healthy community was established in Europe.
Finally, feudalism ensured there was no more slavery in Europe by burning down every aspect that had to such acts, and this made feudalism famous in the continent.