sentences:  Indeed, on the Romanian declaration of war on 27 August, the 1st 'Army' comprised a mere 10,000 men (half a division).A slow Romanian advance combined with hysterical outcry from Budapest led to the 1st Army being considerably and rapidly strengthened to drive back the challenge from the south.Romanian forces crossed the frontier on 28 August 1916 with six separate forces pushing through the six Carpathian passes to converge on Brassó (today Braşov, Romania).