One of the biggest reasons was that there were some revolutions that happened around the lat 19th century. They were primarily sparked by lower class individuals who were looking for more money to support themselves/families.
<span>Observations show that all galaxies tend to move away from earth, and that more distant galaxies move away from earth at faster velocities than do galaxies closer to the earth. these observations imply that</span> galaxies with high speeds as measured from Earth are moving away from Earth and are farther from Earth than galaxies with lower speeds.
They can do a lot things with water. Because water is very necessary.
