Answer:
The positive effect on the environment that the Kyoto Protocol intended to achieve failed because developing countries were exempt. failed because the US did not sign the agreement. succeeded because overall emissions were reduced. succeeded because all countries signed the agreement.
Explanation:
People thought that the earth was the center of the universe and everything revolved around it, but people like Galileo disproved this and changed the way people understood the universe and was the one to say the earth revolves around the sun.
I think it is c. That one makes the most sense to me.
Evidence beyond the Documents:
This additional piece of evidence must be different from the evidence used to earn the point for contextualization.