What is meant by "arbeit macht frei, "and where might one have seen it?

At the time of the brown v. board of education decision,schools were segregated everywhere in the country.several states had laws requiring segregated schools.schools in nearly every state has been desegregated.segregation was common in the north, but not in the south.

What are some ways in which the british monarchy reacted to colonists continuing to disobey british laws?

What are the major problems with a command economy?