Else, try to spread out so that you can reach a facility in 1 contact if you need to. Prioritize the blacksites/AVATAR facilities. This might help if you're running out of time and need to drop the Project's progress a notch or two. To be able to contact all the resistance cells, you will at first need 3 Resistance Comms, and after upgrading two of them one can be demolished, as you need a total of 16 contacts These let you access Facility missions without having established contact in the area.
When you go to the bridge on your base, you're able to see the world map through the. XCOM 2 will have you Commandeering an army of humans against the alien threat on Earth.