In international law any non proportional (military usage vs civilian casualties) use of force is prohibited. Russia used cluster ammunition in dense civilian areas, which is non proportional and thus a war crime. Its this specific useage that is a war crime not cluster ammunition in general.

Just quit. If you dont than you accept it and are a part of the problem. Companies always try to reduce cost wherever they can, its up to you or the workforce in general (unions) to set boundries.

Unfortunately this wont change much. Rapes usually happen without any witnesses, so the rapist will just say that the victim consented. Thats generally the reason why rapes are hard to prove in court.