In two dimensions, when significant care is taken, they are competitive practical rootfinders.

In many countries, including some where the Jews were neither numerically strong nor in possession of important posts, these envoys of the German Secret Service have been able, solely by the use of anti-Jewish slogans, to create those national Fascist movements from which Quislings are bred.

The set of integers, ℤ, is the prototypical ring.

The war efforts were undermined by the constant bickering between the allies.