Which economic policy mechanism is often implicated in making processed, low-nutrient foods cheaper relative to fresh produce and thereby contributing to obesity risk?

• A. Global tariffs on processed foods that make them universally more expensive and less available
• B. Agricultural subsidies directed toward commodity crops (e.g., corn, soy) that lower input costs for processed food manufacturers
• C. Subsidies targeted exclusively to local farmers' markets that increase produce prices nationwide
• D. Direct subsidies to consumers for purchasing only vegetables, which makes processed foods cheaper by comparison

Answer: (B)