Which most accurately describes a major impact of the Roman Catholic Church in Europe during the Middle Ages?
a) Constantine, the dictator of the Roman Empire, declared Christianity the official religion of the Roman Empire.
b) The Roman Catholic Church sought to improve its image and refute detractors with the Counter-Reformation.
c) The Roman Catholic Church commissioned Michelangelo to paint scenes from Genesis on the ceiling of the Sistine Chapel.
d) Pope Urban II issued a call known as the Crusades throughout Europe for Christian warriors to defend the Holy Land. Which most accurately describes religious belief in early Rome?