It was largely "Andrew Carnegie and John D Rockefeller" who were responsible for the development of the steel and oil industries in the United States, since these men took great advantage of industrialization and finance.
Answer:
The first environmental policy was the Rivers and Harbors Act of 1899, which has been largely superseded by the Clean Water Act (CWA).
Explanation:
NATO committed the United States to a peacetime alliance to defend other nations.
Assuming this is the same poster that was posted before, it's purpose would be to say that "<span>D. Under the Marshall Plan, the U.S. and European nations can cooperate to rebuild Europe."</span>