decisive stroke

With what ease might they be introduced within the empire, if a decisive stroke should render their presence necessary?

This decisive stroke, which vanquished the Emperor's irresolution, cost the Swedes only the loss of a single man.

The Prince, judging correctly, wished to deal his “decisive stroke” near home, at the old and now futile Wade in Northumberland.

In order to revive my interest, and to make a decisive stroke, I resume the study of the problem of making gold.

It would have been imprudent in either party to have wasted their men, without some decisive stroke required it.