When a precise date is not known, the term __________ is used

Many of the Masses composed by Josquin des Prez and his contemporaries were based upon secular tunes.

Answer the following statement true (T) or false (F)

Which of the following rulers included a giant new Hagia Sophia in his massive campaign to rebuild Constantinople?

A. Theodosius I B. Constantine C. Theodoric the Great D. Justinian