1984
US allegations that North Korea admitted to possessing nuclear weapons triggered alarm across Asia Friday and prompted appeals for calm from world capitals .
 US, North Korea, Asia, world capitals, world, nuclear, nuclear weapons
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 US, North Korea, Asia, world capitals, world, nuclear, nuclear weapons