A National Look at the Use of Congregate Care in Child Welfare. congregate care.
The idea of a spherical Earth appeared in Greek philosophy with Pythagoras (6th century BC), although most pre-Socratics (6th â 5th century BC) retained the flat Earth model. Aristotle provided evidence for the spherical shape of the Earth on empirical grounds by around 330 BC.
About The World Is Flat: A Brief History of the Twenty-First Century, by Thomas L. Friedman, a book about globalization and how the competitive playing field between industrial and emerging market countries is leveling.