The subject would be the noise in the building.
Even though it occurs mid-sentence, it is what the whole sentence is about. The portion of information in front of the comma was just additional information.
Well, there is a couple reasons that a man or woman could be subjugated to violence. One of the reasons for a male is that all men want to be better than the next, but there are some that can't face the facts that there are some better than them. When that man comes around someone that is better than them they could start a fight. Now women think they a better than everyone... They don't like the things that are against them, so they can start a fight. Now the second reasoning for both genders to be in a situation that has violence is that another person has something in which they want, like money or fame, or maybe there is a He-She out there that wants to beat him up. Now the women is the same case, but without the He-She
