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In Romania , older parties from Transylvania , Moldavia , and Wallachia merged to become the National Peasants ' Party in 1926 .
 Romania, Transylvania, Moldavia, Wallachia, National Peasants ' Party
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:
 Romania, Transylvania, Moldavia, Wallachia, National Peasants ' Party