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Se estima que la cifra de fallecidos
durante la guerra se sitúa en torno a los
55 millones de personas, siendo la URSS,
China, Polonia y Alemania los países
donde la cifra es mayor.
La industria y la
agricultura europea se
vieron destruidas o
detenidas por acción de la
guerra.
El mejoramiento del
transporte y las
telecomunicaciones; la
creación de la industria
de los cohetes y
proyectiles
Causas
Cláusulas del Tratado de Versalles que
imponían severos castigos a los derrotados.