The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.
Answer:
Transcontinental railroad way was the easiest way to travel from Omaha to Sacramento in 1870.
Explanation:
The transcontinental railroad was the first railroad between Omaha, Nebraska in the east to Sacramento, California in the west built in 1869. Before this railroad was built, people use to travel for days to reach their destination. The united states government considered it seriously in 1840 but it was built after the end of the cold war. It became the most convenient way for people to travel from east to west.
your on your own dude, it's your opinion and not the brainly community about the pros and cons. on the subject.
