Explain what the Kyoto Protocol intended to do. Why did pollution begin to become more of an issue? Why was the United States never able to ratify this treaty?

The Kyoto Protocol is an international agreement that called for industrialized nations to reduce their greenhouse gas emissions significantly. Other accords, like the Doha Amendment and the Paris Climate Agreement, have also tried to curb the global-warming crisis.

answer; /// i believe that the correct answer is (b)///they gained vast amounts of

the answer is a, salt plain