28913
By 1860 , four doctrines had emerged to answer the question of federal control in the territories , and they all claimed they were sanctioned by the Constitution , implicitly or explicitly .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None