“The Earth Sphere had lost its previous governing structure, and a new world was created under new systems of government. While a temporary peace had arrived, the seeds of a new conflict were being sown in the Mars Sphere, far away from Earth.”

Article:http://comicbook.com/anime/2018/07/31/gundam-iron-blooded-orphans-sequel-project-new-designers/

As always thank you for reading.