John C. Calhoun quotes and aphorisms about union John C. Calhoun John C. Calhoun John C. Calhoun ,, In its exterior relations - abroad - this government is the sole and exclusive representative of th... John C. Calhoun ,, With such irresistible evidence before us of the great and rapid progress of abolitionism without t... John C. Calhoun ,, I saw that the incorporation of Texas into this Union would be indispensable both to her safety and... John C. Calhoun John C. Calhoun