Which of the following scenarios exemplifies a legal barrier to international trade? Group of answer choices The Moroccan government is limiting the number of gold miners while Morroco's domestic supply of gold is in short supply. The Brazilian government is disincentivizing the medical industry, which serves a lot of tourists, and tourism is a significant source of Brazil's GDP. Due to severe droughts across many states, the U.S. government decided to opt out of any international trade agreement that would allow it to export large amounts of agricultural products. None of the above