The historian's study focuses on interactions between humans and the environment throughout history.
A historian studying the effects of industrial air pollution on sugarcane farms in Brazil is focusing on the major historical theme of Interactions between humans and the environment.
Throughout history, human activities like industrialization have significantly impacted the environment, leading to changes in ecosystems and human societies. The Industrial Revolution, powered by technologies like steam engines and coal burning, transformed landscapes and influenced migration patterns. An example is the impact of deforestation on Mayan cities and the development of sugar cane plantations in the Caribbean, demonstrating the intricate relationship between humans, environment, and historical developments.
https://brainly.com/question/39153647