47519
It has acted as a crossroads for the movement of people , goods , and ideas between Europe , Western Asia , South Asia , and East Asia .
 Europe, Western Asia, South Asia, East Asia
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:
 Europe, Western Asia, South Asia, East Asia