How does the author develop ideas in this passage? the author examines problems and solutions previous to the agricultural revolution to establish a solid background in order to present new ideas. the author mainly compares and contrasts turning points in history to strengthen the claim that agriculture was a revolution. the author generally presents ideas sequentially, with clear explanations of causes and effects to support the explanation of the agricultural revolution. the author includes mostly opinions in an effort to persuade readers of the arguments regarding the importance of agriculture.