What were 3 lessons learned by the Greek communities from the Persian Wars? a
hide in the valleys - worhip the same gods - be prepared

b
transport supplies into the Greek city-states - have a strong Navy - band together

c
be prepared - band together - have a strong military

d
speak the same language - be prepared - have a strong military

c

Explan

so they needed to be prepard for war they need to have a band so they could have each others back and a strog military so they could win the wars

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.

aliens are not real, the myth was created about 700 years ago because people found markings in the field of their crops. also, no there were no aliens on the moon.

hope this ! give brainliest!