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With the fall of the Carthaginians to the Romans , the city of Helmantica , as it was known , began to take more importance as a commercial hub in the Roman Hispania due to its favorable location .
 Carthaginians, Romans, Hispania
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Carthaginians, Romans, Hispania