The Invention of Nature France, he meets a young Simon Bolivar, who is impressed with Humboldt's knowledge and passion for his home country of Venezuela, and they discuss South American politics. Humboldt returns to Prussia, to earn a salary in the King's court before returning to Paris. At this point he begins to work several manuscripts based on his travels. The books are widely read. As Bolivar begins to plan and execute Revolutions in South America, Humboldt publishes a series of books on the politics of Latin America that criticize colonialism. Part 4 New Worlds: Spreading Ideas Wulf discusses Humboldt's personal correspondence and influence
History of South America the continent of North America via the Panama Block that closed the marine Bolivar Trough, leading to the Great American Interchange, the interchange of biota from both continents. The first species discovered to have made the northward migration was "Pliometanastes", a fossil ground sloth species, roughly the size of a modern black bear. Several migrations to the Southern Hemisphere were undertaken by tougher, North American mammal carnivores; fewer species migrated in the opposite direction from south to north. The result of the intrusion of North American fauna was that hundreds of South American species became extinct in a relatively short