The Church has the obligation to evangelize all people and lead them to salvation in the Messiah. Review of lesson B01 on the Church: man has lost the way, the truth, and the life; Jesus has come to restore these through His Church. The Great Commission calls for every believer to make disciples of all nations. Salvation is in no other name than Jesus. Faith in Christ, baptism, and the Church are necessary for salvation. The Church and other religions. The problem of relativism. Dialogue and evangelization. The Church and Judaism. The Church and the unity of Christians.