__________There may be political alignments among governments - the m.o. is mostly self preservation.
1812 till now.--------
This nation couldn't be completely isolationist. This nation had to have contact with other top nations overseas for trade.
1941 till now.-------
The United States had to have quite a presence in foreign nations.
Primarily from 1946 till now.
Especially from early, 1992 till now.