Yes there are many issues about piracy of music and movies. Napster and Limewire were shut down.
No. There is nothing inherently illegal in the software. It only becomes a copyright issue when the software is use to distribute protected intellectual property without permission.
It is both an ethical and legal issue.
The legality of sites that offer pirated software is a (hotly) debated issue. However, most of the applications found at Appulo.us are reportedly cracked versions of copyrighted software, and downloading those is illegal.
In general yes. downloading from a website is legal its what your downloading that is an issue. There are files on TPB that are legal but in general all music files, movies, software, and games are illegal.
Software piracy
If it's copyrighted material, it is illegal to download without paying for it (Amazon, iTunes, etc). However, if it is protected under Creative Commons, then there should be no issue in downloading that material.
The answer depends on what material you are downloading. The fact that it is a torrent is unimportant, the issue is whether or not you have a legal right to the material.
It does not matter if someone does not know that a certain act is illegal or not. Ignorance of the law is not an adequate defense when you get caught. Besides, it seems unlikely that someone would illegally download a song without knowing it was illegal to do so. Terms of Service notices are usually clear on the issue. Copyright law is also very clear. And kids these day are very computer savvy, and it seems unlikely that they would not know that downloading songs might be illegal. Even if someone gets caught and claims they did not see any notice to the effect that downloading songs might be illegal, it is highly probable, in this high tech society, that it can be proved that the accused actually did browse to the page that said it was illegal - servers keep very, very good records of their transactions.
Yes, illegal immigration is a controversial issue in the United States
Regulating computer software piracy is done through many ways by different companies. One place is Department of Regulation, the purpose of this company is to establish a policy to help prevent software piracy with in the Department of Agriculture. There are several companies that help deal with this issue, depending on the type of software.
Yes slavery was and still is an issue in many countries (both legal and illegal).
unethical is more an immoral issue than an illegal issue