What does this excerpt from act 1 of romeo and juliet reveal about the montague-capulet feud?

abraham: do you bite your thumb at us, sir?
sampson: i do bite my thumb, sir.
abraham: do you bite your thumb at us, sir?
sampson: (aside to gregory) is the law of our side, if i say ay?
gregory: no.
sampson: no, sir, i do not bite my thumb at you, sir, but i bite my thumb, sir.
gregory: do you quarrel, sir?
abraham: quarrel sir! no, sir.
sampson: if you do, sir, i am for you: i serve as good a man as you.
abraham: no better.
sampson: well, sir.
gregory: say 'better: ' here comes one of my master's kinsmen.
sampson: yes, better, sir.
abraham: you lie.
sampson: draw, if you be men. gregory, remember thy swashing blow.

The story line remains the same. the kids live in what was then one of the remaining beachfront slums, down the coast from the expensive malibu area. the beach was ruled by surfers, but in the afternoon, when the waves died down, some of the surfers, or their younger brothers, fooled around on skateboards. one day, skip engblom, the shop owner, comes up with a key breakthrough, polyurethane wheels: "they grip." with the additional traction, the z-boys try skating the sides of the big, open drainage canal that runs through the area. then comes a brainstorm: because of a drought, the area's swimming pools were drained. the kids started "borrowing" pools when the owners weren't home, to skate the curved sides.” where did “the lords of dogtown” originally practice their tricks? a. the beach c. an open drainage canal b. empty pools d. none of these