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The house is set on a ridge that is part of the Brandywine Battlefield area , having been occupied by Continental Army troops during the 1777 Battle of Brandywine .
 Brandywine Battlefield, Continental Army, Battle of Brandywine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Brandywine Battlefield, Continental Army, Battle of Brandywine