Question

The japanese government has proclaimed that its snow is different from that found in any other region of the world. as a result, all snow skis marketed in japan must be manufactured in japan. this is an example of a(n):

Answer 1

I believe the answer is: nontariff barrier

nontariff barrier refers to some thing that restrict the trade between two nations or more that is not involving tax or economic duty.
Examples of non-tariff barrier are: the difference in weather/climate between the two nations or the difference in culture between those nations.