Tariff is the correct answer
Answer:
My guess would be to try to save people from dying
Explanation
In the graph it shows an increase in dying between the 1960's. People would protest to help the population and to save people from more devastation and loss. They might also protest to save families from having to mourn over dead family members
I hope this helps good luck ^^
They cause climates to change around the world.
The enlightenment was a group of people who believed in science above all and explains all.
