40428
Historians and social scientists have suggested many factors , including the theory that Robert Moses ' Cross Bronx Expressway destroyed existing residential neighborhoods and created instant slums , as put forward in Robert Caro 's biography " The Power Broker " .
 Robert Moses, Cross Bronx Expressway, Robert Caro
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Robert Moses, Cross Bronx Expressway, Robert Caro