https://rowman.com/ISBN/9780810896390/When-the-United-States-Invaded-Russia-Woodrow-Wilsons-Siberian-Disaster#:~:text=In%201918%2C%20after%20the%20Bolshevik,Front%20against%20the%20Central%20Powers.
EDIT: I'll also add, post-1980 invasion is no longer necessary. Colonialism now happens economically.
https://rowman.com/ISBN/9780810896390/When-the-United-States-Invaded-Russia-Woodrow-Wilsons-Siberian-Disaster#:~:text=In%201918%2C%20after%20the%20Bolshevik,Front%20against%20the%20Central%20Powers.
EDIT: I'll also add, post-1980 invasion is no longer necessary. Colonialism now happens economically.