The general thinking is that a law is unjust if it doesn't square with natural law. This is certainly the view that was put forth in Martin Luther King's Letter from Birmingham Jail.
So, a law that was passed that treated people differently wouldn't square with the natural law that all humans are equal. And thus, one would have the obligation to disobey that law.
He died lolololololololololl
Well, kind of?
But I'd go with False.
The Cuban Missile Crisis was started by the photographs taken by the U-2 spy plane but the real issue was that Cuba was building missile launching pads and the Soviet Union was supplying them with those missiles.
The US ended up blockading Cuba to keep the Soviet ships from arriving in Cuba.
Taxes should be the right answer