The use of mitigating circumstances is mandatory when determining the sentence, not just a suggestion to the judge.
Once the base penalty has been established for a particular crime, the judge considers the mitigating circumstances that reduce the penalty and the aggravating circumstances that may increase to compose the sentence. These must be presented by the lawyers of both parties during the proceedings.
In addition to extenuating circumstances, a sentence takes into account aggravating circumstances. These can increase the penalty time.
The congress is able to veto a bill meaning that the bill is not getting passed and therefore shall not be made a law. He makes sure the congress doesn't have too much power by vetoing bills.
Due to the external atmospheric pressure. Initially the pressure inside the can is balanced by the atmospheric pressure. But as the air is removed from inside, the external pressure dominates.
