Answer:B and E are your answer
Incoming prisoners were assigned a camp serial number which was sewn to their prison uniforms and tattooed . Only those prisoners selected for work were issued serial numbers; those prisoners sent directly to the gas chambers were not registered and received no tattoos.
(C) Rio Grande is the correct answer
It would be "none of the above reasons" that the colonists enjoyed such a long period of time with absolute freedom from the government of Great Britain, since the main reason why that it was more economically advantageous to have a "hands off" policy when it came to overseeing the colonies.