The text describes orphanages in Romania in which all of the infants had been seriously deprived. The children were later adopted and recovered dramatically in physical development. It was found that the recovery in cognitive development .

Was dependent on the age in which the children were adopted

Explanation:

cognitive development is totally dependent on age in which children were adopted, as cognitive development refer to development of thinking , learning skills, learning language. Moreover, cognitive development is take place when baby or child is growing in early ages of life like to build memory, information processing , intellectual reasoning and thinking. So in this case if child is older than that specific age of cognitive development. there is difficult to recover cognitive development/

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.

i think it is the third one.