Which of the following has a caste system?

the story goes that because of this belief, constantine was able to defeat his foes. constantine became an ardent1 christian. christianity and other religions were tolerated under constantine's rule. constantine also was responsible for the building of a great cathedral in rome.

should be the answer hope this

b. sec, foreign relations

this is some false statement. aliens aren't real.

hope this .