They were so epic (literally and figuratively) that historians still pour over things like "Fabian Strategy," double envelopment and unified command -- even at the U.S. Army War College. Rome demanded Hannibal be sent to Rome for punishment. What's worse for Rome was that Hannibal wasn't losing troops, but in fact was gaining them as more Roman allies defected. Carthage's allies began to defect as a large Roman army landed in North Africa. Hannibal would eventually become a fugitive, attack Roman allies for different nations and eventually kill himself after being cornered by Roman troops.
Source: The North Africa Journal November 17, 2023 16:59 UTC