A. I hope this helped I am pretty sure this is the answer
Answer:
Eli Whitney,American inventor, mechanical engineer, and manufacturer, most remembered as the inventor of the cotton gin but should be remembered for the concept of mass production of parts that can be used interchangeably
Art, math, science, maybe psychology
Answer:
Build schools and universities accessible to the middle class.
Explanation:
Just took the test.
Samuel Gompers was most associated with being the president of the American Federation of Labor (AFL) which was one of the biggest unions in the 1800s.