This document provides an overview of agriculture and its evolution over time. It begins with definitions of agriculture and how it involves using soil and plants/livestock to produce food and raw materials. The document then discusses the history of agriculture, noting it was the main activity of early civilizations. It also describes how the industrial period expanded agricultural lands and led to more advanced tools that increased productivity and surplus. The document concludes by outlining three categories of factors that influence agriculture: natural factors like climate and soil; economic/technical factors such as mechanization and fertilizers; and human factors including training specialists.