What were the riverboats like? A. house B. temple C. village D. palace

D. palace

Explanation:

Riverboats is defined as the boats used for transportation purpose on rivers, lakes, and artificial waterways. Riverboats were used for carrying trades, for people transport, and as tour boats.

Riverboats were like palace because it was built in such a way that it can be used for tour purpose for more than one day and include luxury units in a boat such as accommodation, food service and entertainment same as a palace.

Hence, the correct answer is "D. palace".

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.

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.