Relations improved in 1802 when Napoleon came to terms with the Pope in the Concordat of 1801.Nigel Aston, Religion and revolution in France, 1780–1804 (Catholic University of America Press, 2000) pp 279–335 It allowed the Church to operate but did not give back the lands; it proved satisfactory for a century. By 1815 the Papacy supported the growing alliance against Napoleon, and was re-instated as the State Church during the conservative Bourbon Restoration of 1815–1830. The brief French Revolution of 1848 again opposed the Church, but the Second French Empire (1851–1871) gave it full support. The history of 1789–1871 had established two campsthe left against the Church and the right supporting itthat largely continued until the Vatican II process in 1962–1965.Kenneth Scott Latourette, Christianity in a Revolutionary Age. Vol. I: The 19th Century in Europe; Background and the Roman Catholic Phase (1969), pp 127–146, 399–415
