Ways in to the Text Who was Alfred W. Crosby? What does The Columbian Exchange: Biological and Cultural Consequences of 1492 Say? Why does The Columbian Exchange: Biological and Cultural Consequences of 1492 Matter? Section 1: Influences Module 1: The Author and the Historical Context Module 2: Academic Context Module 3: The Problem Module 4: The Author's Contribution Section 2: Ideas Module 5: Main Ideas Module 6: Secondary Ideas Module 7: Achievement Module 8: Place in the Author's Work Section 3: Impact Module 9: The First Responses Module 10: The Evolving Debate Module 11: Impact and Influence Today Module 12: Where Next? Glossary of Terms People Mentioned in the Text Works Cited