17949
He says that people who work with the public are having to make change everyday and so they learned fast how to work with the money from the United States .
 the United States
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 the United States