I think that drugs only lead to a downfall. and many people take drugs to forget about problems they are going through, but do not solve after using drugs because the drug reaction happens, return to the same problem, then I think that drugs are a bad influence and that is a vice that the tests and as you pull, I imagine that people who are addicted to drugs is because when trying drugs want more and more and feel the need for that.
a semi colon (what is used in a) is meant to connect 2 full sentences that rely on each other. You know you should use a semi colon because you can divide the sentence into 2 different sentences and it still makes sense.
