What new inventions changed life in the united states in 1776

What happened to segregation laws after the case of plessy v. ferguson? segregation still existed, but only in very small towns with no access to court systems. important politicians like ferguson, once in favor of segregation, began to denounce it. plessy v. ferguson began the breakdown of segregation as it was defined at that time. segregation continued, and citizens experienced many more years of legal segregation.

What did roosevelt believe was a common cause of both bank runs and the great depression?

What industry was exempt from the child-labor laws passed in the factory act of 1833?