161294
Terrorism Terrorism is the systematic use of violence or the threat of violence initiated by a state or non - state actors against objects , events , or either unarmed or unsuspecting groups or individuals with the intent to achieve a political goal through coercion or efforts to instill fear within a target population .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None