The army assembled for Carthage differs from the cavalry-centred forces used earlier in the campaign. It carries almost no cavalry because the immediate task is a siege and the defenders are expected to field capable skirmishers. The preferred style of fighting yields to the mission and the enemy's likely force. Its composition is chosen for the assault rather than copied from earlier victories.
Notable Point · 1:31:33-1:32:03
Why the Carthage siege army is cavalry-light
Although cavalry drove earlier victories, the Carthage siege force is infantry-heavy because the mission and defending skirmishers demand a different mix.