because of a practice known as home-state senators of the president’s political party can influence the choice of the nominee to a district court.

Senatorial Courtesy

Explanation:

Based on the information provided within the question it can be said that the term being described is called Senatorial Courtesy. This term refers to a unofficial U.S. custom describing the continuous occurrence of a senator towards supporting his/her colleagues in going against the appointment of a nominee to the district court or federal office of the president.

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.