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:
Answer:
I don't know if this is true or not but I can only think of Donald Trump. Sorry if this is wrong
The answer is <span>more Americans died here than in all other wars the country had been involved in combined.</span>
