Answer:
I believe that debates have become more consistent since 1987 because the people in the world have become more selfish and obsessed with themselves that they will do anything if it benefits them and if it is a bad thing then someone else stands up aganist them for there own selfish reasons.
Answer:
Mexico is a federal presidential representative democratic republic wherein the President is both the head of state and head of government
Explanation:
The two main sources are Maps and Artifacts