While at the drive-in Two-Bit sneaks behind Johnny puts his hands on both of their shoulders and said, "Okay, greasers, you've had it!" Johnny had recently been jumped by a gang of Soc and is still traumatized by the experience
Because it protects the second amendment, and clarifies that guns can be used only for lawful purposes (like hunting, or self defense in home)
D. The elimination of social distinctions between the middle and working class.