Subverted: Tanks are sent in, only to be destroyed by the enemy's mechas.
Double Subverted: Bigger tanks are sent in to destroy the enemy's mechas. The enemy promptly surrenders.
Tanks are also used as civilian cars.
A single outdated tank completely destroys an entire army of super-powerful mecha.
Zig Zagged: Tanks are sent in, only to be destroyed by the enemy's mechas. Then bigger tanks are sent in to destroy the enemy's mechas, but are destroyed by the enemy's nukes. Then even bigger tanks are sent in which are unaffected by the nukes and blast the living daylights out of the enemy. But the tide turns when the enemy fields Transforming Mecha... That turn into tanks.
Averted: Tanks are not used in battles.
Enforced: "What is a battle/war like without Tanks?"
Lampshaded: "I don't think wars would be the same without Tanks."
Invoked: "Send in the tanks!"
Defied: "We don't need tanks! We're fine with our infantry!"
Discussed: "What's with all these tanks? They're so cool!"
Conversed: "Say, how come there's only tanks in this strategy game?"
Deconstructed: In response to their overuse of tanks, Panzeria's enemies learn to counter their tanks using anti-tank weapons and tactics, which prove troublesome for Panzeria.
Reconstructed: Panzeria upgrades all their tanks with completely impenetrable armor that can protect against nuclear weapons, battleship-grade main cannons, anti-infantry gatling cannons, anti-air missiles, engines that allow them to go at lightning speeds with unlimited fuel, etc. to deal with their enemies' new tactics.