C. A revolt by small white farmers and landless workers against the Virginia government.
Answer:
The answer should be: Companies replaced hand-operated brakes with air brakes on trains.
Explanation:
You have to think how hard it was for trains to stop with hand operated brakes. Trains go fast, and not stopping in time can be dangerous. Hope this helped :)
The answer is definitely A!
<span>States had to ratify all three Reconstruction amendments.</span>
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