The City Hall stands as the paramount structure within your city, positioned at its heart. It wields comprehensive control over your city's politics, economy, trade, and military endeavors. By upgrading the City Hall, new buildings can be unlocked, facilitating larger-scale marches, enabling additional march slots, and even garnering increased League Help. Within the City Hall, you can oversee the holistic state of your city's economy, units, and structures, aiding in the effective management of your city's operations.