Θέμα
History
13
Reconstruction (U.S. history, 1865-1877)
11
Race relations
7
Racism
6
Domestic terrorism
3
Politics and government
2
White supremacy movements
2
African Americans
1
Economic conditions
1
Feature films
1
Hate groups
1
History, Military
1
Silent films
1
Songs and music
1
Trials (Conspiracy)
1