Help answer this please ?

Why was christianity so appealing to the people of the roman empire

Meaning “restructuring,” reduced government control and the soviet union move away from a totalitarian government. a) glasnost b) detente c) perestroike d) democracy

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.