In an interview that I conducted with some relatives, they mentioned how many Finnish-Americans from the Amasa area had been recruited to go to the Soviet Union, to the northwestern Russia area of Karelia. They were eventually killed by Stalin. I decided to do a bit of research about it, and came across this film, Letters from Karelia:
For more information, see Disillusionment on the Grandest of Scales: Finnish-Americans in the Soviet Union, 1917-1939