For a benefit to happen it must be a good thing. Like helping others, or participating on something good. <span />
Hannibal's losses in the Second Punic War effectively put an end to Carthage's empire in the western Mediterranean, leaving Rome in control of Spain and allowing Carthage to retain only its territory in North Africa. Carthage was also forced to give up its fleet and pay a large indemnity to Rome in silver.
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Overproduction of the farm product and manufacture goods was economic factor in 1920 that led to a great depression. These condition was characterized by many people been unemployed and yet there was higher production of farm products and manufactured goods.