It was the spanish crown attempted to define the status of the indian population in its american colonies. It was basically when the people went from muslim to jews from the reconquest of the muslim spain. Muslim spain was when musilms took over the spain. Hope this helps. P.s this information was from my text book but I changed it into my own words.
a more settled agricultural based way of life
Look it up ok , but I think THE ANSWER IS A
A Roman legion (from Latin legio "military levy, conscription", from legere "to choose") normally indicates the basic ancient Roman army unit recruited specifically from Roman citizens. In reference to the early Roman Kingdom (as opposed to the Roman Republic or Empire), "the legion" means the entire Roman army.
The invented the number 0 in mathematics.
