British Involvement in the Transatlantic Slave Trade. For well over 300 years, European countries forced Africans onto slave ships and transported them across the Atlantic Ocean. The first European nation to engage in the Transatlantic Slave Trade was Portugal in the mid to late 1400's.
The pre-Socratic thinkers made the transition from myth to reason because unlike the earlier pre- Socratics they tried to find natural and rational explanations for the phenomena that they would see around them instead of the mythological reasoning.