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What invention ended the “open range” in the late 1800s

Match each cause with the effect it had on jews during their time in nazi ghettos.many jews died of starvation and poorhealth.diseases were rampant in the ghettos.weak and sick jews were the first to bedeported to concentration camps.the nazis did not bother to arrange forthe safe disposal of human waste andgarbage in the ghettos.arrowrightfood and other necessities became scarce in the ghettos.arrowrightthe nazis used healthy jewish prisoners to perform hard labor.