there's some more context here.

chapter 3 starts on p. 41.

https://books.google.ca/books?id=Sct5eW57-hIC&pg=PA43&lpg=PA43&dq=%E2%80%9Ca+monstrous+swindle,+under+which+the+Canadian+government+has+ceded+to+the+United+States+of+America+a+large+slice+of+the+country%E2%80%99s+sovereignty+over+its+economy+and+natural+resources.%E2%80%9D&source=bl&ots=REUy2Hlpav&sig=ACfU3U0cpDn6lFgRdxFwMmX9_f6ohz7IKQ&hl=en&sa=X&ved=2ahUKEwjQ0suAtvDoAhWFVs0KHTPfB8oQ6AEwAHoECAsQKQ#v=onepage&q=%E2%80%9Ca%20monstrous%20swindle%2C%20under%20which%20the%20Canadian%20government%20has%20ceded%20to%20the%20United%20States%20of%20America%20a%20large%20slice%20of%20the%20country%E2%80%99s%20sovereignty%20over%20its%20economy%20and%20natural%20resources.%E2%80%9D&f=false