Answer:
have fallen by more than one-half.
Explanation:
Thick, noticeable smog in many of the cities and manufacturing centers of the United States helped bring the 1970 e Clean Air Act to spur passage at the height of the national environmental movement. The ensuing modifications were intended to enhance its effectiveness and address newly recognized problems of air pollution such as acid rain and stratospheric ozone layer damage. The Clean Air Act allows EPA to set national environmental air quality levels for certain specific and prevalent contaminants, based on the latest research, to protect public health and welfare nationally. Certain main regulations are intended to reduce the rise in emissions from increasing motor vehicle numbers and new manufacturing plants.
Answer:
big stick policy refers to President Theodore Roosevelt's foreign policy speak softly and carry a big stick you will go far Roosevelt described his style of foreign policy as the exercise of intelligent forethought and of decisive action sufficiently far in advance
Explanation:
It promised that it was possible to get vast areas of land and become wealthy, however, it was deceptive because people didn't know how much they would have to work on the land and how much physical labor was involved, and many didn't want this type of hard physical labor for themselves.
Answer:
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Explanation:
he describes Americans as Immortal and uninformed.
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