Trieste railway would be cut and Gorizia must fall.

[Illustration: AREA OF CADORNA'S OPERATIONS

Showing the Isonzo Valley and the town of Gorizia which fell to the
Italians August 9, 1916.]

Long and confused fighting followed. The center and the right of the
Italian army slowly advanced their line, taking over one thousand
prisoners. For days there was continuous bombardment and
counter-bombardment. The fighting on the left was terrific. In the
neighborhood of Plava the Italian forces found themselves opposed by
Hungarian troops, unaccustomed to mountain warfare, who at first fell
back. Austrian reserves came to their aid, and flung back three times
the Italian charge.

Three new Italian brigades were brought up, and King Victor Emanuel
himself came to encourage his troops. The final assault carried the
heights. On the 22d of July the Italian right captured the crest of San
Michele, which dominates the Doberdo plateau.

Meanwhile the Austrian armies were being heavily reinforced, and General
Cadorna found himself unable to make progress. Much ground had been won
but Gorizia was still unredeemed. Many important vantage points were in
Italian hands, but it was difficult to advance. The result of the three
months' campaign was a stalemate. In the high mountains to the north
Italy's campaign was a war of defense. To undertake her offensive on the
Isonzo it was necessary that she guard her flanks and rear. The
Tyrolese battle-ground contained three distinct points where it was
necessary to operate; the Trentino Salient, the passes of the Dolomites,