Parallels between the food industry and oil industry

Question for Essay #4 Science, Technology and the Environment: We examined the oil industry to explore a variety of International relations issues including the environment, national decisions (to protect and defend oil reserves), international relations and non-governmental organizations. Can we draw useful parallels between the food industry and the oil industry? In what ways is the food industry like the oil industry? In what ways are they different? Would you please finish it in 4 hours?