All thinking men were increasingly conscious that no progress was possible until Croat and Serb presented an united front against German-Magyar predominance.
The opportunity thus given for debate naturally stimulated the movement in favour of constitutional government, which received new impulses from the sympathetic attitude of the emperor Alexander II., his grant in 1879 of a constitution to the liberated principality of Bulgaria, and the multiplication of Nihilist outrages which pointed to the necessity of conciliating Liberal opinion in order to present a united front against revolutionary agitation.
Albany successfully defied his usurped authority until his recognition was necessary to a united front against the French and their Indian allies, who, in February 1690, had surprised and burned Schenectady.
The necessity for showing a united front justified the diplomatic inexactitude; but the powers were agreed on little except the need for agreement.
The separation of the English and French buccaneers, who together presented a united front to the Spanish fleet in 1685, marks the beginning of the third and last epoch in their history.