What made a large manor self-sufficent

What made it self-sufficient was whether it had enough land and serfs which could produce enough food for people to survive on the amount of food that they would produce. 

Ifound this on google “the change in control meant as house minority leader, pelosi was widely expected to become speaker of the house in the next congress. on november 16, 2006, the democratic caucus unanimously chose pelosi as the democratic candidate for speaker.” i hope this