PLEASE HELP 8PTS GUARENTEED! How did the works of Copernicus, Brahe, and Kepler challenge the long-held belief in the Ptolemaic views on the nature of the universe and solar systems?

23. how does specialization among nations encourage interdependence? nations work together to share labor and resources to produce vital goods. nations sign treaties prohibiting taxes on imports. nations produce specific goods and then trade to obtain things they need. nations that are more developed agree to fund development in nations with limited industry.

Which statement best describes how the cotton gin affected cotton farming. a. the cotton gin dramatically decreased cotton production. b. the cotton gin enabled farmers to grow better cotton. c. the cotton gin required farmers to use more enslaved laborers. d. the cotton gin dramatically increased production

Cesar chavez and dolores huerta confounded which of the following groups?