I don't know if you have to choose only one answer, because answers 2, 3, and 5. It affected throughout the world, and it also reduced communist nations and changed boundaries.
I’m going to guess urbanization but i could be wrong!
False. I think it will be smaller, we are ruining this world with global warming, fossil fuels and etc. New diseases like Zika, are starting, less cures, and some might become deadly.
The farthest distance can about 401 million km.
