Answer:
See below.
Explanation:
World War I 1914-1918
Isolationism (after World War I) 1920s - 1930s
World War II 1941-1945
participation in the U.N. 1945-present
Containment (after World War II) 1947-1989
Gulf War 1991
My guess would be the first one
The answer is the <span>esophagus</span>
The election of 1866 gave them control of both houses of congress.