Which among the following countries became the newest member to join the North Atlantic Treaty Organization (NATO) in March 2024?

Option 1 -> Georgia has been aspiring for NATO membership but has not yet joined the alliance.

Option 2 -> Ukraine has been seeking NATO membership, particularly amid ongoing regional conflicts, but remains a partner nation rather than a full member.

Option 3 -> Finland joined NATO in April 2023, becoming the 31st member, not in March 2024.

Option 4 -> Sweden officially became NATO's 32nd member on March 7, 2024, completing its accession process after security concerns from Turkey and Hungary were resolved.

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Hence, Sweden -> Sweden's accession marked the completion of Nordic expansion of NATO, joining alongside its neighbor Finland, and ending decades of military non-alignment following Russia's invasion of Ukraine -> correct