This is to separate the migrant workers from the steady customers of diners who can pay for meals and products. For the people who own the diners and other small businesses along Route 66, the migrant workers are little more than a burden on them, asking these people, who are simply attempting to make a living, for handouts and charity. The men and women who work at the diners on Route 66 view the migrant families with a conflicting sense of loathing and compassion. Hope this answers your question!
I believe that character is Korben Dallas.
In this painting, the artist describes New York City and the restless motion of the city’s life. Inspired by the yellow cabs of New York, the artist has painted most of the lines yellow.
so the Answer is (C.) New York city's cabs
Hope it helps