What's the difference between a serf and a villein?

What is the relationship of the letters n. y.l> w. c to the new york infirmary for women and children

What are the media and the press sometimes referred to as? a. the fourth estateb. the sixth branchc. the mouthpiece of the governmentd. the first estate

As a religious faith, candomblé appropriates beliefs from both a. african faiths and catholicism b. hinduism and catholicism c. hinduism and islam d. buddhism and catholicism