Answer:
The correct answer to the following question is option D) Economists.
Step-by-step explanation:
WTO ( stands for World trade organization ) which is primarily responsible for making rules of trade between the nations and its main objective is to liberalize the trade all over the world. This also helps in resolving conflicts ( mainly trade conflicts) between the nations. From all the following options given in the question economists are the ones who are most likely to support WTO, as anarchist would never support WTO, labor unions and extreme environmentalist are also not likely strong case for support.