• 1 CIA
• 1 communications systems
• 1 countries
• 1 defense (military)
• 1 economic systems
• 1 geography
• 1 government
• 1 government officials
• 1 information
• 1 population

• 1 Inter-university Consortium for Political and Social Research
• 1 United States Central Intelligence Agency

• 1 English

• 1 Data sets

Limit year range