Answer: that's if people don't be dead by that year.
Explanation:
Answer:
1. The dictatorship-like rule of Porfirio Diaz for over 30 years.
2. Exploitation and poor treatment of workers.
3. Great disparity between rich and poor.
Explanation:
As a result of the energy crisis, in 1973-1974, U.S citizens became aware of ecology. If not, their environment would be endangered.