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marysya [2.9K]
3 years ago
14

What is an invention that improved safety for railway passengers

History
1 answer:
musickatia [10]3 years ago
3 0

Answer:

Air Brakes

Explanation:

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He will responsible for each and every final decision made in the defense department. The Secretary of Defense in each department will be appointed by the President directly by himself after a brief discussion with the Senate members.

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