Explain 1 positive and 1 negative effect form the arrival of Columbus in the Americas.

The positive effect is the exchange that happened between the Old and New World, and the negative effect are the diseases that Europeans brought to America that killed millions of Natives.

Explanation:

After Columbus discovered new continent many products that were unknown to people on one or other continent were exchanged. That was probably the most positive consequence of the Columbus discovery.

On the other side, diseases such as smallpox killed millions of Natives, which together with conquistadores led to extinction of certain tribes.

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.

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explanation: