It was important for them to be able to stop the muslim armies from advancing farther into western europe.
The answer is: A high demand for cotton.
It's B Both invested in developing roads throughout the Inca Empire.
Answer:
The 2 important choices were:
1) buying a gaming console
2) going on an overseas trip
The opportunity cost is the gaming console. He had to give up buying the gaming console when he decided to save for the overseas trip.
The bicycle and the watch were not treated as opportunity costs because he willingly disregarded those items from his wants.
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