Answer:
because they where walking on the earth?
It was harsh. They had to work on the Manor. They couldn't leave the manor nor be forced off it. The person the serf is working for owes them protection and the serfs give labor and loyalty.
Make the president responsible for the state and national legislatures
Plessy v. Ferguson said it was constitutional to have separate but equal public facilities for whites and blacks, basically legalizing segregation. This ruling remained constitutional until the Brown v. Board of Education decision overruled this and outlawed segregation in public facilities.
Becuase the south thought that it was unconstitutional