The correct option, "Tobacco, cocoa and rubber," reflects the Columbian Exchange, a significant biogeographical event following Columbus's expeditions that facilitated the transfer of numerous plant species between the New and Old Worlds. This exchange not only transformed agricultural practices but also had profound economic and cultural impacts on societies; for instance, tobacco became a major cash crop, while cocoa contributed to the development of new culinary traditions in Europe. Understanding these dynamics is crucial for comprehending the broader implications of globalization and its historical roots, as outlined in UPSC syllabus materials.