Preface
Modern history began with independent, often warring, tribes. Each tribe had their own language and culture and had achieved self sufficiency through incorporation of all major skills in their own society. Although self sufficient, not all tribes had similar access to natural resources. Thus, trading emerged as an important part of early civilizations.
With basic trading in place, increased specialization occurred. Different cultures specialized in different types of high quality goods, and classical bartering was replaced by trading based on established monetary systems. To avoid conflict among tribes, national legislation and international treaties were established. Libraries and the invention of the printing press allowed for rapid ...