East and West Berlin were separated by the "Berlin Wall" during that Cold War that existed between the United States and Soviet Russia, since this was meant to keep people in East Berlin from fleeing to the western half.
Horace Mann was the leader of the common school movement , he petitioned for public education and disability schools. He was also the founder of the Massachusetts Board of education
Fourth Amendment to the Constitution of the united states. Also fun fact it is one of the amendments included in what we call the Bill of Rights.
d. the Byzantine empire was more ethnically diverse.