SECTION 2. CHOOSE THE CORRECT ANSWER.
21.
What does the passage mainly discuss?
A. A type of wild vegetation
B. Western migration after Civil War
C. The raising of cattle
D. The climate of the Western United States
21.
What does the passage mainly discuss?
A. A type of wild vegetation
B. Western migration after Civil War
C. The raising of cattle
D. The climate of the Western United States