The rhyming scheme is AA BB CC DD
That is because Brain and Remain rhyme, so they are AA. True and View rhyme so they are BB. Trudge and Judge are CC, and Small and Call are DD. None of them repeat the rhyme of the previous verses so they are each given a separate pair of letters.
It helps the economy. Casinos bring people to the state which also brings in money. Food places and hotels are also built for the out of state people to stay in. It boosts the economy for that state
