Isolationism vs Internationalism

Internatonalism

1899
1914 - 1918
1939 - 1945
1947
1948 - 1949
1948
1950 - 1953
1955 - 1975
1962
1989
1991
1994
2001
2001 - 2014

Isolationism

1765 - 1783
1783
1803
1819
1823
1845
1853
1859
1867
1898
1904