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:
<span>One of the most important accomplishments of the Progressive Era was the Nineteenth Amendment of the Constitution. This amendment gave both sexes the right to vote (women could now vote). Voting can affect family life. One example of this was the temperance movement. It promoted the practice of never drinking alcohol. The point women were trying to make was that alcohol could cause men to waste their money, ignore their families, and abuse their wives. This is why it is important for women to be able to vote.</span>
Answer:
False
Explanation:
There is the New Stone Age (neolithic) and the Old Stone Age (paleolithic)
The Reconstruction Act put military generals from the North in charge of military districts in the South, it made former confederate states ratify the Fourteenth Amendment and it led to African-American suffrage.<span> The Southern states, and even President Andrew Johnson, were opposed to the act
hope that helps </span>
