Isaac Newton changed the world by adding scientific and mathematic knowledge to the world that we still use today. Isaac Newton figured out the principal of gravity and develop the universal law of gravitation. This changed the world because he didn't only establish a law of gravity for one specific place, his law was universal.
D and then if that doesn't work B. If you have anything else to ask me further about my answer (cause I have got to admit it is quite vague) just ask. Hope this helps :) x
