Subject
Terrorism Prevention
National security
304
Rules and practice
100
National security Law and legislation
76
Emergency management
74
Evaluation
71
Intelligence service
71
Management
55
September 11 Terrorist Attacks, 2001
55
War on Terrorism, 2001-2009
52
Terrorism
50
Terrorism Religious aspects Islam
49
Intergovernmental cooperation
47
Interagency coordination
43
Harbors Security measures
42
Terrorism Government policy
40
Islamic fundamentalism
37
United States Foreign relations
33
Terrorism Risk assessment
32
Airports Security measures
30
Transportation Security measures
30
Privacy, Right of
29
Aeronautics, Commercial Security measures
28
Civil defense
28
Terrorists
28
Border security
27
Civil rights
26
Cyberterrorism Prevention
25
Jihad
25
Ports of entry Security measures
24
Airline passenger security screening
23
Shipping Security measures
23
Internal security
20
Terrorists Recruiting
20
Terrorists Travel Prevention
20
Domestic terrorism Prevention
19
Noncitizens Government policy
19
Intelligence service Law and legislation
18
Law enforcement
18
Security, International
18
Terrorists Identification
18
Emigration and immigration law
17
Intelligence service Evaluation
17
Marine terminals Security measures
17
Security measures
17
Criminal investigation
16
Visas
16
Visas Government policy
16
Appropriations and expenditures
15
Railroads Security measures
15
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