[Theodore R.]

Finland was the only country to repay WWI loans from the US.

[ansel12]

Our State Department says this (go Liberia!).

“Some countries — including Cuba, Finland, Hungary, Liberia, and Nicaragua — paid their World War I debts to the U.S. in full”

https://1997-2001.state.gov/issues/economic/fs_000301_wardebt.html