He took the war to Rome by moving his army to Italy and attempting to bring the Italian cities, disgruntled by Rome's dominance of them, to his side. As he did not have a siege train to actually attack the city, he moved around the countryside, attempting to enlist the other cities and tempt Rome to meet him in the open where his superior cavalry force could best the Roman infantry.
He was partly successful in this over 15 years, but the Romans finally turned the tables by sending an army to Africa to threaten Carthage. Hannibal was withdrawn back to Africa to defend the city and was defeated there.
The Carthaginians.
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Hannibal was the Carthaginian general in question. Hannibal led both his troops and his elephants over the Alps and into Italy during the Second Punic War.
The Claw of Archimedes or "Iron hand" were built around 200 BC. They were used during the Second Punic War of 214 BC.
Hannibal's horse was named Surus. Surus was a war elephant that Hannibal famously used during his military campaigns, particularly during the Second Punic War against Rome. The name Surus is thought to have been derived from the Punic word for "Syrian," as the elephant was likely of Syrian origin.
Hannibal is remembered for being a great military leader from Carthage. During the Second Punic War, he used elephants to cross the Alps and Pyrenees to get into Italy, which he occupied for roughly 15 years.
Their allies in North Africa were used to harass and weaken Carthage.
They were paid a daily allowance which they used to support themselves. At each stop they built a fortified camp to live in.
In the defence of Syracuse, he used parabolic mirrors to focus the sun's rays into a column of heat directed at approaching wooden warships of the Roman fleet, setting them on fire.
The Strategy used during both world wars is Total War
Island hopping
Yes, trenches were commonly used as a defensive strategy during World War II to protect soldiers from enemy attacks and provide cover.