In the following question, two statements are given with some words in bold. Which of the following pairs of bold words must be interchanged to make both sentences grammatically correct.

A. In 1929, Mussolini (A)signed the Lateran Treaty with the Vatican, ending (B)decades of struggle between the Italian state and the (C)sphere, and recognized the (D)independence of Vatican City.

B. Mussolini's foreign (E)policy aimed to (F)expand the (G)Papacy of influence of Italian (H)fascism.