How did railway expansion change food production regions in nineteenth century?

A. Interior farming areas को ports and markets से जोड़ा / It connected interior farming areas with ports and markets

Step 1: Identify the concept: this is transport and market link. Step 2: Railways connected distant farms with world markets. Step 3: Remember railways with global food trade.

Step 1: concept पहचानें: यह transport and market link है। Step 2: Railways ने distant farms को world markets से connect किया। Step 3: Railways को global food trade से याद रखें।