How to move to a borderless city for the second time on the battlefield?

The city level reaches 18, and the resources are sufficient.

1. According to the official website display of the game "Battlefield Boundless", first of all, the city level should reach 18: the player's city level should reach 18, and all buildings in the main city should reach 10.

2. Finally, there are enough resources: players need to have enough resources and props to move to the city. After meeting the above conditions, players can move to the city for the second time in the game.