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They constitute part of a larger political conflict across Scotland , England and Ireland , and are often considered a prelude to the English Civil War s. They were so named due to the central conflict between Charles I , who favoured an episcopal system of church government for Scotland ( with bishops ) , and the desire of much of the polity of Scotland for a presbyterian system of governance ( without bishops ) .
 Scotland, Charles I, Scotland, Scotland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Scotland, Charles I, Scotland, Scotland