Region
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Pacific area --
1
Pakistan
1
Pakistan --
1
Russia (Federation)
1
Russia (Federation) --
1
Russia --
3
Sanctions (International law)
1
Singapore
1
Singapore --
1
South Africa
1
South Africa --
1
South Asia --
2
South China Sea --
1
South China Sea region --
1
South Korea --
1
Southeast Asia
2
Southeast Asia --
5
Soviet Union
2
Soviet Union --
5
Syria
1
Syria --
2
United States
4
United States --
4