2 examples of onesidedness in sentences

Mr. Calhoun, in his onesidedness, entirely overlooked the fact that the discontented States could not secede without a terrible war; for if there is one sentiment dear to the American people, it is the preservation of the Union, and for it they will make any sacrifice.

Almost unconsciously it imbibes not only the newest ideas in the sphere of intellect, but also loses some of its onesidedness, broadens out, becomes more civilized.

2 examples of  onesidedness  in sentences