19084
In the early 1840 s , with the arrival of the first wagon trains via the Oregon Trail , McLoughlin disobeyed company orders and extended substantial aid to the American settlers .
 Oregon Trail, McLoughlin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Oregon Trail, McLoughlin