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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