A. Yellowstone National Park B. Zion National Park C. Isle Royale National Park, D. Yosemite National Park
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Semper Fidelis is the motto of which military service?
Which was the first official national flag of America?
Which of these monuments is located in South Dakota?
Which was the 50th state to join the United States?
The name of which state is derived from a Shoshone phrase meaning "gem of the mountains"?