Well as I'm sure you know we live in a society greatly impacted by technology and because so everything important usually ends up on the internet, the dissemination of news helps activists and the regular joe, educate themselves. But as in a political revolution starting I suppose dissemination would make them more educated in the debate, and allow them to spread there message.
The answer is going to be A
Wilbert Awdry Christopher Awdry and Britt Allcroft
I believe the answers are 1, 2, and 4
It changed the schooling in america, it made the schools do more and harder/complex mathematics and science, so we will always stay ahead of the russians
