Firstly, you must always remember; you can only match towards (enemy) territories whose at least one adjacent territory is captured or occupied by an ally. There should be a path connecting the friendly territories from your outpost to the enemy territory.Remember Red Territories belongs to the enemy and Blue belong to your squad.
You can March to the marked territories since at least one of the adjacent territories is captured by your team.Tap on the territory where you are eligible to march and select “March”.
Tap on an enemy territory and select “MARCH”On selecting the node that a player wishes and is able to march, the marching duration will be displayed.
_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
Empires & Allies Game GUIDE