'Assault' (sometimes called "simple assault" is an assault by unwanted touching using your hands or fists. 'Assault and Battery' means an unwanted touching using your hands using some striking object.
It is impossible to even take a guess at this answer. Bonds are set by the judge at the recommendation of the prosecutor based solely on the individual circumstances of each case.
Self defense is the only one I can think of, and even then - you can legally use only the amount of force necessary to stop the attack WITHOUT TAKING RETALIATION OR REVENGE. The 'battery' part of...
