One of the reasons we promote PA is the belief that it has the ability to positively affect well-being, psychological distress, and feelings of fatigue. After a vigorous bout of exercise, one would hope to see which of the following changes on the subjective exercise experience scale (SEES)A) Positive well-being would increase; psychological distress would increase.
B) Positive well-being would decrease; psychological distress would increase.
C) Positive well-being would decrease; psychological distress would decrease.
D) Positive well-being would increase; psychological distress would decrease.

Positive well-being would increase; psychological distress would decrease.

When the human body is subjected to some movements then it gives rise to the usage of energy. This refers to physical activity. Any movement of body that makes use of energy in the body refers to physical activity. Some of the examples of PA include walking, climbing stairs, etc.

It should not be too intense or vigorous. It must be gentle. There are lot of benefits associated with the PA. The physical activity helps in positive well being of people. It also decreases the psychological distress of a person.

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.