I have a social science definitions exam coming up at christmas.. but the thing is my teacher is very slow.. she hasn't given us much definitions and I need to learn definitions concerning social science research off my heart. please help if you can :)
None of them came to an "abrupt end". Most of them ended after a steady period of decline. The often became weak and were absorbed by stronger powers, as was the case with Egypt eventually being conquered by Rome.
There are theses wonderful things you can find in libraries called 'history...