Main Entry: 1Chris·tian
Pronunciation: 'kris-ch&n, 'krish-
Function: noun
Etymology: Latin christianus, adjective & n., from Greek christianos, from Christos
Date: 1526
1 a : one who professes belief in the teachings of Jesus Christ b (1) : DISCIPLE 2 (2) : a member of one of the Churches of Christ separating from the Disciples of Christ in 1906 (3) : a member of the Christian denomination having part in the union of the United Church of Christ concluded in 1961
2 : the hero in Bunyan's Pilgrim's Progress

A Fundamentalist Christian is not the same as a Methodist or a Catholic. Lots of different churches using one book as it's source material. Each believe they are correct.

America was founded on Christian ideals yes but not Fundamental Christian ideals. That's not an attack on that religion just pointing out the obvious.