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The park closed down in 1939 because the Great Depression left many people without much money , the completion of the San Francisco–Oakland Bay Bridge changed traffic patterns , people avoided paying the admission price , and the rise of car culture gave people many more choices for recreation destinations .
 Great Depression, San Francisco–Oakland Bay Bridge
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Great Depression, San Francisco–Oakland Bay Bridge