The Global System of Agriculture Practice Test

A secondary source focused on food miles and transportation describes apples grown in the Southern Hemisphere shipped to Northern Hemisphere supermarkets during winter. The analysis highlights containerization, cold-chain logistics, and low per-unit shipping costs, while noting hidden costs such as emissions, packaging, and infrastructure expansion. Which of the following best explains the global agricultural pattern described in the excerpt?

Secondary-source excerpt (about 100 words): Grain trading is concentrated among a small number of firms that own storage facilities, port terminals, and shipping contracts. During supply disruptions, these firms can reroute shipments, prioritize certain buyers, and influence local availability through control of logistics and inventories. Farmers and smaller millers may have limited access to storage and must sell immediately after harvest, often at lower prices. This structure links farmgate prices to global logistics decisions rather than only local supply and demand. The system described most directly results from which of the following?