13336
This includes the plight of so-called ' fallen women ' , and prostitutes , as well as the attitude of middle-class society to these women ; the status of women in marriage ; the rigid class structure ; the prison system ; educational standards , and emigration to the colonies of what was becoming the British Empire .
 British Empire
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 British Empire