Plz help me

Which statements describe the results of the horse-powered plow? Choose the TWO correct answers.

A. Surplus food allowed people to pursue other jobs.

B. Serfs became bound to the land.

C. Farmers brought more land into cultivation.

D. The manor system developed.

John locke viewed the social contract as a choice or "consent of the governed", where the people possess the power to change government. how did thomas hobbes see the social contract? man is born in chains, but can be set free through good deeds. man is born happy, but becomes more miserable as he ages. man is born poor, but can rely on other individuals for security. man is born selfish, but can give up some freedom in return for security provided by the government.