Question 3 During the First World War, unimaginable killing power of the industrial technology used by European armies led to Your answer: the killing of almost 5 million youth and wounding of 1 million people the killing of almost 20 million youth and wounding of 10 million people. the killing of almost 10 milion youth and wounding of 20 million people. the killing of almost 30 million youth and wounding of 10 million people. Clear answer