The two key inventions in the late 19th century that erased distance and kept factories working day and night were? A. The telephone and electronic lighting

B. The Pullman rail car and the steam engine

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.