People sometimes feel uncertain in new situations when they do not know what to expect. This uncertainty develops when people do not have a(n) to guide their perception of the new event.

Schema

Explanation:

People sometimes feel uncertain in new situations when they do not know what to expect. This uncertainty develops when people do not have a schema to guide their perception of the new event.  Schema help in interpreting and organizing new information, they are already existing cognitive frameworks that makes individuals cope or adapt easily to new information, environments or events. When there is no existing schema to an event or new information, individuals find it hard to come to terms with such situations or understand and interpret the new information which could lead to feelings of uncertainty and anxiety.

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.

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think