Turkey approved Finland’s bid to join NATO, paving the way for the European country to join the security alliance. Meanwhile, Sweden’s bid still hangs in the balance. Both countries applied to join the organization on the same day, making the decision in response to Russia’s invasion of Ukraine.

If you are looking for more context on this matter, please consider Erwan Lagadec, an associate research professor of international affairs at the George Washington University. He is an expert on NATO affairs and has taught classes on NATO’s strategic challenges and the Western responses to Vladimir Putin’s foreign policy. Lagadec’s research interests also include NATO projecting stability, sub-national transatlantic relations, and the politics of aid. Lagadec has been following the latest developments in Finland and Sweden’s pursuit to join NATO and can speak to the significance of NATO expansion and what’s next.