108
united-states
× 26 |
31
asia
|
17
economy
× 4 |
8
california
|
64
religion
× 4 |
30
islam
|
17
tradition
|
7
18th-century
× 5 |
63
20th-century
× 8 |
30
arabia
|
14
old-west
× 2 |
7
george-washington
|
53
15th-century
× 2 |
28
political-history
× 5 |
13
christianity
× 2 |
6
president
× 3 |
50
cultural-history
× 4 |
26
middle-east
× 2 |
13
japan
|
6
technology
× 2 |
42
jews
× 2 |
24
law
× 4 |
13
buddhism
|
6
war
× 2 |
41
china
× 5 |
22
england
× 2 |
12
us-congress
× 3 |
5
election
× 2 |
33
british-empire
× 2 |
22
iran
|
11
19th-century
× 5 |
4
calendar
× 3 |
33
israel
|
22
literature
|
11
world-war-two
× 3 |
4
colonial-america
× 2 |
33
palestine
|
21
government
× 4 |
11
agriculture
|
4
transportation
× 2 |
31
persia
× 2 |
21
human-sacrifice
× 2 |
9
ancient-history
× 2 |
4
photography
× 2 |
31
trade
|
19
colonization
× 4 |
9
ancient-iran
|
4
journalism
|
31
isolationism
|
18
native-americans
× 3 |
9
tanks
|
4
mesoamerica
|