How to use "unity" in a sentence

This, I propose to offer, pledging that the larger purposes will bind upon us, bind upon us all as a sacred obligation with a unity of duty hitherto evoked only in times of armed strife.

We face the arduous days that lie before us in the warm courage of national unity; with the clear consciousness of seeking old and precious moral values; with the clean satisfaction that comes from the stern performance of duty by old and young alike