240856
Academic works His research interest is African History since the 19th century in the tradition of the Ibadan School ; his geographic areas of interest include Africa , Latin America and the United States ; and his thematic fields , Atlantic history , diaspora and migration , empire and globalization , intellectual history , international relations , religion and culture .
 Ibadan, Africa, Latin America, United States
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ibadan, Africa, Latin America, United States