WTO & Trade Restrictions

In order to understand the purpose of the WTO, it is useful to understand how restrictions of trade work and their purpose.
Watch this clip  – Types of Trade Restrictions – https://www.youtube.com/watch?v=_e2gQxN1OBg
Explain the types of trade restrictions which are discussed in the clip in your own words and provide some examples from Chapter 2 materials including the textbook.  All sources MUST be cited. In text citation