Answer:
international trade has flourished, spread and even standardized after the 2nd world war.
Ever since the downfall of the ommunism in 1990s and since more countries have adapted the capitalist open economy, more nations have been engaging in international trade.
Moreover, with the aid of the United nations, the World Trade Organization was established and it acts as a standard making and monitoring body for international trade between nations.
Moreover, technological developments in the fieldsof logistics and transports (sea, land and air) have made it less costly and more profitable to trade with other nations.
Step-by-step explanation: