Subject
- International relations[remove]186
- Diplomacy27
- Treaties26
- First World War (1914-1918)23
- Foreign policy21
- Mesopotamian Campaign (1914-1918)16
- Colonial administration15
- Slave trade14
- Military operations11
- Imperialism9
- Second World War (1939-1945)9
- Naval operations8
- Trade (practice)8
- Bilateral relations6
- Oilfields6
- Russo-Persian War (1804-1813)6
- Boer War (1899-1902)5
- Financial administration5
- Loans5
- Napoleonic Wars (1800-1815)5