1919 - The United States buys the Yukon Territory and British Columbia from Canada.
1920 - The United States buys the Yucatan peninsula from the Republic of Mexico.
1922- The United States buys the Baja peninsula from the Republic of Mexico.
1923- The United States buys the Bhamas from the British.
1925- The government of Canada rejects a offer to buy more of western Canada from the United States.
1927- A major rebellion begins in American purchased Canada, It would take three years to completely put down the rebellions.
1929-On October 29 - The stockmarket suffers a crash this event triggers the Great Depression which is worse then (OTL).
1932-A new wave of rebellion begins in American Canada.