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:
I think it was near Pennsylvania
I’m not sure why everyone was scared of labor unions but I know I would be because. They are strike and many of them might have families to feed. They might lose there house. Starve. All for a decent wage, is really worth being on strike to starve?
Answer: A) lived mostly in small villages
Explanation:
i took the exam
Answer:
the labors refused to work and resisted