Which of the following is NOT a nickname of the United States().
A. Uncle Sam.
Big apple.
C. Melting pot.
D. A Nation on the Wheel.
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What is the leading corn-producing state in the United States().
A. Nebraska.
B. Minnesota.
C. Iowa.
D. Indiana.
() is reputed as the automobile capital of the world.
A. London
B. Los Angeles
C. Toronto
Detroit
What is America’s most important food crop().
A. Wheat.
B. Rice.
C. Barley.
D. Oat.