It was B. border dispute with Mexico
Answer is b that’s the answer for that question
The most important geographic feature was the Appalachians
Bell Bomber plant
Explanation:
- The B-29 Superfortress Boeing B-29 was an American heavy bomber from World War II. The first is a pressurized cockpit bomber and the only aircraft to drop an atomic bomb during the war - to the Japanese cities of Hiroshima and Nagasaki.
- Together with the B-24 Liberator and the B-17 Flying Fort, they made up the main force of heavy bombers of the United States in World War II.
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