Inter-regional trade in Nigeria has mostly been promoted by the fact that?

Inter-regional trade in Nigeria has mostly been promoted by the fact that different regions produce different commodities. Each region in Nigeria has unique resources, such as agricultural products, minerals, and natural resources. By trading with each other, the regions can exchange their surplus goods and satisfy their needs for other products that are not available in their own regions. For example, the northern region of Nigeria is known for producing grains such as millet and sorghum, while the southern region is known for producing cocoa and palm oil. This creates a mutually beneficial trade relationship between the regions, allowing them to specialize in producing what they are best at and trading for what they need. Improved inter-regional transportation and internal security can also facilitate inter-regional trade, but the main driving force behind it is the unique commodities produced in each region.