My allies will block their roads and take the fortresses at the borders, among other actions.
The utmost the king could do was to garrison Smolensk and other fortresses and employ his wife Helena, the tsar's daughter, to mediate a truce between his father-in-law and himself.
Ivan intervened in 1558 and quickly captured Narva, Dorpat and a dozen smaller fortresses; then, in 1560, Livonia placed herself beneath the protection of Poland, and King Sigismund II.
One of these areas is defined by the three fortresses, La Fre, Laon and Reims, the other by the triangle, LangresDijonBesancon.
On the side of Belgium the danger of irruption through neutral territory, which has for many years been foreseen, is provided against by the fortresses of Lille, Valenciennes and Maubeuge, but (with a view to tempting the Germans to attack through Luxemburg, as is stated by German authorities) the frontier between Maubeuge and Verdun is left practically undefended.
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