In a democratic society, price controls and minimum wage laws would hurt the democracy unless the people decided on the laws together as a body; if not, then the people may be disrupted, and consequences will be faced. So your answer should be D.
Offers financial assist, because when the government needs more students, they will control the finances and etc. of the poor.
If the bank stopped paying interest, the governmental money would most likely go up, but then people wouldn't use banks as much as they used too; they would store their money in other, safer places (since the bank would end up turning into the equivalent to hiding it under your floorboards or elsewhere). SO although the governmental money would increase, it would also hit a decrease.