Answer: The Invention of the timer gear on fighter aircraft, the monoplane and more advanced aircraft such as fighter and bombers. the tank, the submarine, the machine gun, the dreadnought, the semi-auto rifle, chemical weapons, and the sub-machine gun. The tank, the submarine, the machine gun, semi-auto rifle, and the sub-machine gun are all still used today.
Explanation:
One of the actions that progressives took to help the poor is highlighting the poor living conditions and exposing corruption which helped inspire legislation at the state and federal level aimed at correcting these ills. They demanded social reforms through demanding for social change such as through journalists
The transcontinental railroad transformed the west because it made the idea of manifest destiny so much easier to achieve. The railroads also gave access to many trade spots, which in result connected them all, making the economy of America BOOM.
War with Mexico and the alamo and it also sparked the transcendentalist era, and plus it was one of the earliest examples of civil disobedience by henry David Thoreau
Answer:
loyal slave he gained as loyal slave
