Where did the Swedish flag be raised to mark its official membership in NATO?a)  Londonb)  Brusselsc)  Stockholmd)  Washington, D. C.

The Swedish flag was raised to mark its official membership in NATO in Brussels. This event took place at NATO's headquarters, symbolizing Sweden's formal entry into the alliance. The raising of the flag is a significant ceremony that represents the commitment of Sweden to the collective security standards of NATO and strengthens the defense collaboration among member states. Brussels serves as the political and administrative heart of the European Union and NATO, making it a fitting location for such an important occasion. By joining NATO, Sweden aims to enhance its national security and participate actively in various defense and security initiatives with other member nations.