Subject
- Pilgrims[remove]5
- Muslims3
- Food shortages2
- Aggression and violence1
- Compensation1
- Currencies1
- Ethnic discrimination1
- Ethnic groups1
- Exports1
- First World War (1914-1918)1
- Foreigners1
- Imports1
- Motor transport1
- Passports1
- Petroleum industry1
- Resources exploration1
- Second World War (1939-1945)1
- Shipping1
- War propaganda1
- Water supply1