How did the manor system serve the needs of the early middle age

Peasants produced everything that was needed in the manor so it was generally self sufficient. 

The manor was a farming estate that was run by monarchs the farm provided food and they could trade and eat the food

The president of the united states does not have the authority to “limit” the power of the judicial branch. however, the president can influence the political direction of decisions made by justices on the supreme court through the nomination process when a position becomes available.i would say the best answer is that he can at least interpret the laws