Final answer:
James Cook positively impacted the world through explorations and the exchange of commodities, revolutionizing lifestyles and the global economy.
Step-by-step explanation:
James Cook positively impacted the world around him through his explorations and mapping of uncharted territories, which facilitated cultural exchange and scientific discovery. His voyages introduced new commodities to Europe from the New World, such as cattle, horses, sugar, tea, and coffee, and vice versa, introduced tobacco, potatoes, chocolate, corn, and tomatoes to the Americas. These exchanges revolutionized lifestyles and had a profound impact on the global economy.