Which marketing campaign is credited with revolutionizing military tactics by successfully promoting a new weapon system that dramatically changed infantry combat in World War I?

Throughout military history, certain marketing campaigns have transformed how military equipment and strategies were adopted by governments and armed forces worldwide. These campaigns didn't just sell products - they changed the course of warfare itself. Test your knowledge about one of the most influential military marketing campaigns that shaped 20th-century conflict. This question explores the intersection of military history and revolutionary marketing strategies that altered battlefield tactics forever.

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Maxim Gun's 'One Man Army' campaign, which marketed the first truly automatic machine gun to European powers before WWI
Winchester's 'The Gun That Won The West' campaign, later adapted for military markets in Europe
Krupp Steel's 'Invincible Artillery' campaign, which sold mobile field guns to Germany and its allies
Browning Automatic Rifle's 'Walking Fire' promotion, which introduced the concept of mobile automatic weapons