By Huseyin Hayatsever
November 16, 2023 8:32 AM PST

A Turkish parliament commission put off a vote on Sweden's NATO membership bid on Thursday, again holding up expansion of the Western bloc after 18 months of delays that frustrated some allies and extracted some concessions.

In May of last year, President Tayyip Erdogan raised objections to both Swedish and Finnish requests to join the military alliance. The Nordic states made the bids in the face of Russia's invasion of Ukraine.

Turkey ratified Finland's bid in April but, along with NATO member Hungary, has kept Sweden waiting, demanding that Stockholm take more steps to crack down on what it sees as terrorists in its jurisdiction.

Here is a guide to what Stockholm, Helsinki, Washington and other NATO members have done to address Ankara's concerns, marking what analysts say are geopolitical victories for Erdogan even as he has strained Turkey's Western ties: