Answer:
New farming equipment made work faster and also lessened the need of farm hands. It also gave federal land to the states to help finance agricultural colleges, and the Hatch Act of 1887 established agricultural experiment stations to inform farmers of new developments.
Explanation:
<span>Copernicus completely changed people's minds in the way they perceived the world and the planet in general. He shifted away Ptolemaic model of the heavens, and developed his own theory of the heliocentric model in which the Sun is placed at the center of the Solar System. As well as this person, most of the talented scientists of renaissance brought into people's life something new and, in some measure to those who was not prepared for big changes, shocking things.</span>
Galileo Galilei developed a stronger telescope and was able to prove that Ptolemy's theories about the moon were wrong.
In the beginning of the 1930's though the NAACP's legal Defence and education fund began to turn to the courts to try to make progress in over coming legally sanctioned discrimination from 1935 to 1938 the legal arm of the NAACP was headed by Charles Hamilton Houston
World War I, which lasted through Jul 28, 1914 to Nov 11, 1918.
https://www.history.com/topics/world-war-i/world-war-i-history
Info at the link