_____ part is the most densely populated region in America.
A. The southern
B. The north-eastern
C. The western
D. The southeastern
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Detroit is famous for the production of _____.
A. automobile
B. timber
C. bamboo
D. cotton
The city _____ is given the nickname “Space City of U.S.A.”.
A. Boston
B. Houston
C. San Francisco
Detroit
What are the problems the U.S. economy has faced from time to time?
A. Recessions
B. Depressions
C. Inflation
D. All of the above
The United States has vast expanses of fertile soil that is well suited to ____.
A. raising cattle
B. growing crops
C. developing highways
D. digging wells