Why are trade barriers so common in the global market?

Why are trade barriers so common in the global market? How have free trade policies been promoted by developed countries since the 1950’s?

every country want protect their own industry to make sure supply enough jobs for their citizens.

every country has its own advantage and disadvantage. they have to level it.

there is no free trade in the world for time being.

One Response to “Why are trade barriers so common in the global market?”

  1. Song J Says:

    every country want protect their own industry to make sure supply enough jobs for their citizens.

    every country has its own advantage and disadvantage. they have to level it.

    there is no free trade in the world for time being.
    References :

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