51405
By the time of the arrival of the French in the early 18th century , the Shawnee were once again in control and formed an alliance with the French against the incursion of British settlement across the Allegheny Mountains .
 Allegheny Mountains
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Allegheny Mountains