Just before the beginning of World War II, Albert Einstein wrote a letter to President Franklin D. Roosevelt. Urged by Hungarian-born physicists Leo Szilard, Eugene Wingner, and Edward Teller, Einstein told Roosevelt about Nazi German efforts to purify Uranium-235 which might be used to build an atomic bomb. Shortly after that t...
African-Americans In The South As a social and economic institution, slavery originated in the times when humans began farming instead of hunting and gathering. Slave labor became commonplace in ancient Greece and Rome. Slaves were created through the capture of enemies, the birth of children to slave parents, and means of punishment. Enslaved A...
Mind your manners! Yes, my lord. To civilize is to Christianize! I work and I pay, I pray and I pay, I die and I pay. God wills it! Rich and poor alike in the Middle Ages were controlled by five specific institutions: the code of chivalry, the feudal system, Charlemagne, the manorial system and the Catholic Church. To encounter them was inevitabl...
Black Americans Black Americans are those persons in the United States who trace their ancestry to members of the Negroid race in Africa. They have at various times in United States history been referred to as African, coloured, Negro, Afro-American, and African-American, as well as black. The black population of the United States has grown fro...
Middle Age Economy The economy mostly seen in the early middle ages was feudalism, Europe's form of government in the Middle Ages, was developed in the fifth century to meet the changing needs of the time. It was based heavily on the honor system. The king had overall power, then the lord, then the vassals, or landowners, and...