What role did nationalism play in the outbreak of world war 1?

a. nationalism convinced the people of europe that there own nation could take on any military threat

b. nationalism caused a reduction in trade

c. nationalism led to a new era of peace negotiations

d. nationalism caused countries to stop the alliance system

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.