He went to France to get help for the war, and then France became an ally of the United States of America.
The answer is the society.
Economics is focused on the problem of the society which is created by a world with limited resources and people with unlimited needs and wants.
the Gadsden Purchase and the withdrawal of Spain from Mexico
Well, strictly speaking none of the options are correct.
This is a metaphor, and a metaphor for a country. It was originally applied in 1830s-1850s (within this period, we are not sure when) to what is today Turkey, but was known as the Ottoman Empire back then - so the answer is B.
recently it was used for Greece, too.