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American election laws are often challenged at the local level and sometimes in the Federal courts , but this is certainly the first time we have had a Supreme Court challenge over presidential election .
 American, we, the Federal courts, Supreme Court
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 American, we, the Federal courts, Supreme Court