When interviewed for a news story about racial tensions, leo denies that he or any of his friends are racist. when he is with his family, however, leo tells racist jokes and says that immigrants, "should all speak english if they live in my country! " leo's behavior illustrates?

Leo's behavior illustrates the disparity between front stage and back stage behaviors.  

Leo presents a front stage behavior when he wants the audience to believe he's not racist, so he denies that he's racist. However, when nobody can actually see him, he presents a back stage behavior since the audience he wants to deceive is not present.

trade regulation is a field of law, often bracketed with antitrust (as in the phrase “antitrust and trade regulation law”), including government regulation of unfair methods of competition and unfair or deceptive business acts or practices. antitrust law is often considered a subset of trade regulation law. franchise and distribution law, consumer protection law, and advertising law are sometimes considered parts of trade regulation law.

in general the theory of economics says that the more open to trade a country is the better   the result for the same country and the whole economies.

in real life countries impose taxes, quotas, etc which is not so good for the economies.

this kind of commercial war between the usa and china is slowing down the growth of the whole world so we can say that it is a draw back of trade regulations. and the free trade agreements are benefits of trade regulations.

do all equestions have to be answered