 The Pope agreed to the dispatch of missionaries, but left the decision for trade to the King of Spain.In Rome, the pope financed the completion of St. Peter's Basilica, and improved the Vatican Library.He restored the Aqua Traiana, an ancient Roman Aqueduct (named after him "Acqua Paola"), bringing water to the rioni located on right bank of the Tiber (Trastevere and Borgo) using materials from his demolition of the Forum of Nerva.