During World War I, industry shifted to focus on war production, with factories converting to produce military supplies and all economic activities aligned with the war effort. The nationalization of many industries occurred to ensure proper control over resources, although complete government control was not uniform across all countries. This transformation significantly changed workforce dynamics and industrial operations to support the war. ;
During World War I, war-focused economies led to factories being converted for military production and all economic activities aligning with the war effort. Many industries were nationalized to facilitate control over production. However, complete government control was not uniform across all countries.
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