The American Federation of Labor was national federation of labor unions in the U.S. They emerged from a dispute with the Knights of Labor organization. They organized workers in craft unions.
The largest farms would have been found in the southern colonies because of the ideal farming conditions there.
Answer: Advancements in household technology
Increased life expectancy for women
Development of the service industry
I think the constitution prohibits the enactment of ex post facto.
Well, if we are going to be entirely correct, Christopher Columbus never discovered America, but rather the Vikings did and he landed in Cuba, not mainland America. Anywho, he landed in 1492 with his three ships, the Nina, the Pinta, and the Santa Maria.