.
connection of, with strategy, [154].
how differ from têtes deponts, [160].
influence of, [155].
on river, [156].
Prussian system of. [158].
use of, [156].
.
connection of, with strategy, [154].
how differ from têtes deponts, [160].
influence of, [155].
on river, [156].
Prussian system of. [158].
use of, [156].