How armies, not dragons, can win the war on Game of Thrones

"In Europe, castle walls and siege weapons developed in parallel. Then the Ottomans came knocking with massive cannons capable of knocking down even Constantinople’s walls. Suddenly, stronger bricks were less important than larger standing armies. This incentivized the creation of better tax-collection systems, more centralized militaries, and a move away from siege warfare. As a looming specter of hellfire and war, the proverbial stick behind state-building diplomacy, Game of Thrones’ dragons are a nuclear deterrent. As a conqueror’s wall-melting harbingers of chaos, they’re cannons."
read the tactics review by Ian Graber-Stiehl
How armies, not dragons, can win the war on Game of Thrones.