Unit 1

Unit 1 is a high-quality image in the Blog collection, available at 2008 × 1125 pixels resolution — ideal for both digital and print use.

Explore our detailed Columbian Exchange map to understand how the 1492 transatlantic encounter transformed global history. Discover the profound impact of this biological exchange, tracing the historic transfer of crops, livestock, diseases, and cultural goods between the Old and New Worlds. Visualize these global trade routes and the lasting consequences that reshaped ecosystems, economies, and societies across the globe.