Spain hoped to spread Catholicism in its American colonies. Spain was a very Catholic country at the time and remained very religious for centuries later. One of the main goals of colonization other than taking over and extracting the riches from the countries was to Christianize the population and convert them. This actually proved largely successful as an overwhelming majority of countries who were colonized by the Spanish identify as Catholic or a Christian denomination.
Many new machines like the cotton engine. It improved men's clothing and provided new weapons. (Industrial Revolution)
For PLATO:
Maya: Created hieroglyphic writing system
Developed the accurate calendar systems
Constructed Chichen Itza
Aztec: Built Tenochtitlan
Sustained 20mil population
Grew floating gardens
Maarten Schmidt found the spectral lines were high redshift (had their emission lines shifted toward longer, redder wavelengths by the expansion of the Universe)
<span>The puzzle about quasar spectra, which was finally solved by Maarten Schmidt, was </span><span>the brightest known quasar</span>.