Through ages, trade has occupied a prominent place between nations, starting from the Silk Road to the Cape of Good Hope, to the British trade companies in the province of East China and Shanghai, to the Netherlands Agency of India.
Trade is increasingly in scope nowadays because of the ease of movement and transportation between countries and because of the improvement of means of communication where consumers and companies are able to have access to the best products from different countries.
  
The rapid technology lifecycles also increases the competition between countries, where the strongest country is the one who has a constant presence in the world markets, so it will have a positive reflection on its economy. On the contrary, when the country is far and isolated, its economy will suffer from a severe hardship.

However, the international trade, like any kind of trade, is fraught with many obstacles and risks making it more difficult. Must know the laws of the countries and people natures, and must be diligent follow-up  of the changes that occur in the markets and the economy. In addition to the full knowledge of the strength of the export countries and the actual and effective presence in their markets and the creation of consumer markets appropriate, and provide solutions to advance economic development there.
That is why the states have taken steps in the recent decades to promote international trade through the WTO agreements, where many countries formed economic groups, such as European Union (EU).