How did the union ever gain control of the mississippi river?

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.

List two inventions that were invented in the united states before the american civil war

The tables shows information about two citied what can you infer about the temperature of these cities