What did the peasants/serfs get in return for providing food to the knights and nobles/vassals?

In 3-6 sentences describe the strategy between generals' grant and lee's armies at wilderness and spotslvania . why are they significant? i will mark brainliest! answer only if u truly know the correct answer

Which of the following best states am argument of french philosopher jean-jacques rousseau

100 which of the six principles of the constitution is most impacted by gerrymandering? i need 2 paragraphs or else it will be reported.