Explanation:The key ideas of the Reformation—a call to purify the church and a belief that the Bible, not tradition, should be the sole source of spiritual authority—were not themselves novel.And why were they so important to the Catholic Church in the 17th century? The founding of the Jesuits, reform of the papacy, and the Council of Trent. They were important because they unified the church, help spread the gospel, and validated the church.
Herbert Hoover, who in World War I served as head of the U.S. Food Administration and became know for his humanitarian efforts in Belgium during the war.
