Not an inch of ground should be uncontested.
"Somehow Good"
William de Morgan
The physical objective, therefore, does not always take the form of some element of the enemy fighting strength; not infrequently, the occupation of a correct physical objective may be uncontested by the enemy.
"Sound Military Decision"
U.s. Naval War College
M. Thiers, the great leader, did not find his rule uncontested.
"A History of the Third French Republic"
C. H. C. Wright