No doubt it’s complicated, but some key factors are
Availability of ammunition (cluster munitions may help here)
Destroying artillery before advancing (the daily numbers have been looking good)
Removing mines before advancing
Disabling logistics (e.g. strikes on bridges, warehouses)
Waiting for a lucky opportunity
It doesn’t cost them much to do things slowly, but keeping the Kremlin on its toes and embarrassed is good. The longer Ukraine holds on, the more equipment they get, like F-16s, Abrams, and ATACMS.
No doubt it’s complicated, but some key factors are
It doesn’t cost them much to do things slowly, but keeping the Kremlin on its toes and embarrassed is good. The longer Ukraine holds on, the more equipment they get, like F-16s, Abrams, and ATACMS.