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.
The battle between the Merrimack and the Monitor showed that
(D) the North and South were equally matched at sea.
Is't d <span>D. Italian merchants traveled all over Europe, carrying luxury goods and classical texts, as well as modern printed works and Italian art.
</span>