According to evolutionary psychologists, our predisposition to overconsume fatty junk foods most clearly illustrates that we are biologically prepared to behave in ways that promoted the of our ancestors.

reproductive success

Explanation:

Evolutionary psychology refers to a psychological discipline that explores human behavior by applying the implications of evolution. Proponents of this theory believed that the mind is influenced by the need to reproduce and our emotions and language capacity reflect adaptations that enabled our human ancestors to thrive. According to this theory claim that when our ancestors encountered challenges and found ways to solve them, they had some natural intuition and knowledge that gave them the ability to seek out the most appropriate solutions and implement them.

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.