Answer: Air brakes
Explanation: The introduction of air brakes by George Westinghouse marked one of the most important safety upgrades in railroad travel. The air brakes which is powered by compressed air connected to the braking cylinders which automatically serves air to the brake pipes once the brake pressure falls. This automatic airbrakes offered an escape from the inefficient and manual brake system usually employed before it's invention whereby brakemen are charged with the task of controlling the braking system using the brake wheel in other to alt the train's movement. This manual method is both tedious and unsafe.
Answer:
Cuba and the Philippines and other one I don't know
Answer:
Federalist
Explanation:
They were all of the federalist political group.
Answer:
Isolationists claimed that U.S. aid for Great Britain would increase the likelihood of actual American involvement in World War II. Internationalists claimed that it would make U.S. intervention less likely. Based on the actual events of 1941, which do you think was closer to the truth, and why?"
Explanation:
Answer:
The President is responsible for protecting and defending the country.
Explanation:
He is the Commander in Chief of the Army and Navy and a supreme military commander.
