C. Using a specific model to prove the earth moving around the Sun.
C. There are 20 marbles, and 2 of them are green, so your probability of picking out a green one is 1/10. So if you pick lots of marbles and put them back, the probability stays the same. I would say the answer is true.
I reckon B is True, too.
The Libertarian party is highly against government interventionism and believes that wars should be fought only and only if attacked first, as self defense.