Clean Air Act (1 dic 1963 anni – 30 dic 1963 anni)
Descrizione:
Government funded a study to improve water, and air quality. The government can now regulate air pollution, and buy tech that can better the air and water quality.
Aggiunto al nastro di tempo:
Data:
1 dic 1963 anni
30 dic 1963 anni
~ 29 days