Answer is C......................
On August 25, 1916, President Woodrow Wilson signed the act creating the National Park Service, a new federal bureau in the Department of the Interior responsible for protecting the 35 national parks and monuments then managed by the department and those yet to be established.
The containment was successful in the Cold War when we were preventing Communism from spreading through Europe and Asia and also in the isolationism in the United States that limited its involvement in world affairs
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