After Russia¡¯s invasion of Ukraine triggered an about-face on NATO membership, Sweden is starting to consider another historic shift: adopting the euro.

While the debate is in its early stages, a subtle but notable shift is taking place as conditions change. In 2003, when voters rejected Europe¡¯s common currency in a referendum, the focus was on the krona¡¯s ability to act as a buffer for the largest Nordic economy, but now geopolitical concerns have added a new dimension.

On top of threats from Russia and China, U.S. President Donald Trump¡¯s ¡°America First¡± foreign policy ¡ª including threats to acquire Greenland from neighboring Denmark ¡ª underscore how smaller economies are exposed in an era of great-power rivalries.