An author claims that "athletes caught using performance-enhancing drugs should be sentenced to prison." the author provides the following reason as support:
in 2013, the tv show sport-zone surveyed 2,000 athletes. 73 percent admitted knowing a teammate who took performance-enhancing drugs. huang kroll, a spokesperson for the international olympic committee, was interviewed during the program. "using illegal substances to gain an advantage is a huge issue," he explained. "unless stronger laws are passed—laws that result in prison rather than suspension from competition—the problem will continue to grow."
which choice best describes the reason the author provides?
a. it is effective. it supports the claim clearly and logically.
b. it is irrelevant. it discusses a fact that is off topic and does not support the claim.
c. it is unreliable. it does not give any details to prove that the source can be trusted.
d. it is unverified. it does not cite a source to show where the information was located.

The correct answer is A. It is effective. It supports the claim clearly and logically.

Explanation:

In argumentative text and speeches for a reason to be effective it needs to directly address the claim and besides this, explain it and prove it by using a reliable source that includes statistics, quotations, reference to other studies, among others and by following a structure that connects logically to the claim. In the case presented the claim is that "Athletes caught using performance-enhancing drugs should be sentenced to prison" and this has been supported by including a refers to a survey carried out by a the TV show Sport-zone about the athletes that use performance-enhancing rules and the sanctions this implies that includes statistics but also the words of an expert in the topic. Because of this, this reason is effective because it does not explain and supports the claim, but also it proves it in a clear and logical way and by using a reliable source.

idk

explanation:

the development of trade during the middle age increased to the change given in the agriculture, which gave money, industry and markets a bigger importance in economy. the agriculture production was more than the consumption, which meant the creation of wider markets out of the areas. besides, with the end of multiple wars, the population increased and new trade routes were created.