In which systems are economic decisions made based upon price

Which of the following was an economic reason for the united states to declare war on spain in 1898?

Based on this map, what can be concluded about the inca empire? (4 points) it was in a highlands region. it was in a mountainous region. it was in the amazon basin. it was in north america.

When pay is made public, people evaluate how equitable their pay is in light of the pay other people are receiving. the problem in this case is that dwight and guillermo have found out that others are getting paid more than they do for the same work. what are they likely to do under these circumstances