By now you should have noticed that trade becomes important to people as they settle down and develop more complex societies. What advantages does a society gain when it engages in trade?

The concept of trade is buy and sell. A developing government should be able to invest more on its transportation infrastructure to allow trade to improve internally and externally. Trade allows exchange of goods, services and even gaining new experiences with technology and education can be considered a form of trade. Profit is received from the goods, services, etc you import and gain of technology, experience and collaboration is achieved also along the way. Some great examples are the Silk Road used as a medium or channel for trading benefiting east Asia and western Europe. Japan's train system and many more.