Pope Pius VII concluded the concordat with Napoleon, in large measure accepting the provisions of the Civil Constitution of the Clergy effected in 1790. The benefit to the Catholic church was only that it could regain influence in France.
Editors. "French Concordat with Catholic church". The Literary Encyclopedia. First published 22 December 2007
[http://www.litencyc.com/php/stopics.php?rec=true&UID=4336, accessed 25 November 2015.]