Pynciau a Argymhellir O fewn eich chwiliad
Pynciau a Argymhellir O fewn eich chwiliad
- Political aspects
- Causes 2
- Cell phones 2
- Electronic surveillance 2
- Foreign relations 2
- History 2
- Intelligence service 2
- Mobile communication systems 2
- Petroleum industry and trade 2
- Political participation 2
- Social aspects 2
- Technological innovations 2
- World War, 1914-1918 2
- World War, 1939-1945 2
- World politics 2
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