295487
However , for reasons yet unclear , the Tsugaru backed out of the alliance and re-joined the imperial cause after a few months , participating in several battles in the Imperial cause during the Boshin War , notably that of the Battle of Noheji , and Battle of Hakodate .
 Tsugaru
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tsugaru