Which important contribution to the advancement of civilization was developed in ancient Egypt between 3000 B. C.E. and 2500 B. C.E.? A system for using horse-drawn chariots in warfare.
A system of written communication.
A system for electing government officials.
A system for smelting iron.

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.