How did the bubonic plague Hundred Years' War and crusades cause a decline in churches power?

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.

When conducting research for forming a hypothesis, which practice should historians follow?

What was different about religious practices in pennsylvania and massachusetts