The index of leading indicators is used to predict changes in business cycles. The correct option among all the options that are given in the question is the first option or option "a". It is basically used to predict the future of the upcoming economy. It can also be said that it does not always yield the perfect result.
The statement about how Karl Marx and Adam Smith are different would be:
Adam Smith and Karl Marx are polar opposites in the political-economic, in such that Smith would in no way agree<span> with a revolution of the proletariat.
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Answer:
Francisco Coronado was a Spanish governor in modern day Mexico who went on to explore the southwest United States. His expedition was one that was prompted by stories of myth and riches. He was looking for the fabled Seven Cities of Gold. This journey took him into new areas not yet previously explored by Europeans.