During World War I, industries transformed significantly to support the war effort, with governments converting factories for military production and shifting all economic activity towards supplying the military. This often included the repurposing of manufacturing capabilities and, in some cases, nationalization of industries to ensure adequate production of war supplies. ;
During World War I, industries shifted dramatically to support the war effort by converting factories for military supplies and prioritizing all economic activities towards military needs. Some governments nationalized industries to ensure sufficient production, and in some cases, exerted complete control over industrial output. The chosen multiple-choice option is A: Governments converted factories to produce military supplies.
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