His central teachings, that the Bible is the central source of religious authority and that salvation is reached through faith and not deeds, shaped the core of Protestantism. Although Luther was critical of the Catholic Church, he distanced himself from the radical successors who took up his mantle.
1. they finally joined the war because Germany embarked on a deadly gamble. Germany sank many American marchent ships around the British isles which prompted the American entry into the war
