Finland's Resilience and "Sisu". Finland's Defense Against Soviet Invasion

A comprehensive overview of the Winter War, a conflict fought between the Soviet Union and Finland from November 1939 to March 1940. It details the causes and initial situation from both Finnish and Soviet perspectives, including failed negotiations and invasion plans. The article further examines the war's progression, highlighting Finnish defense strategies like the Mannerheim Line and the Soviets' initial struggles due to harsh conditions and tactical errors, followed by their subsequent military reforms. Finally, it covers the consequences of the war, such as territorial losses for Finland, casualty figures, and the broader impact on both nations and international perceptions of the Soviet military.