The answer is letter A. The Clear Air Act would be a reason for the Environmental Protection Agency or EPA to regulate car emissions. EPA sets the emission standards under the said rule or regulation and this also covers the green house gas emissions.
<span>Native Mayan People
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Answer:
They wanted to set rules for the people, the power may be the peoples' but they needed to set "ground rules". Like owning a house, its your house but you give yourself some rules.
Explanation: