The ideals upon which it was based were brought to the papacy by Pope Leo IX (pope 1049–1054), and provided the ideology of clerical independence that led to the Investiture Controversy in the late 11th century.
Idealet som den var baseret på blev bragt til pavestolen for Pave Leo 9. (pave 1049–1054), og det gav uafhængighed til præsternes ideologi, hvilket ledte til investiturstriden i slutningen af 1000-tallet.