<span>Fullinwider is trying to point out that even people who mean well and have excellent intentions will sometimes perpetuate discrimination and stereotypes even though they do not recognize it.</span>
Explanation:
Europeans during the Middle Ages had poor knowledge of geography (knew little about the outside world)
Beginning in the 1400's (15th century), western European nations (Portugal, Spain and then England, Holland and France) undertook expeditions to explore the Americas as well as new regions in Africa and Asia.
I believe they were extending the revolution through the medium of anti slavery, the strongest Union principle.
