congregationalism: system of beliefs and church government of a Protestant denomination in which each member church is self-governing
protestantism: the theological system of any of the churches of western Christendom that separated from the Roman Catholic Church during the Reformation
scopes trial: a highly publicized trial in 1925 when John Thomas Scopes violated a Tennessee state law by teaching evolution in high school; Scopes was prosecuted by William Jennings Bryan and defended by Clarence Darrow; Scopes was convicted but the verdict was later reversed