American Origins - Christian or ???????

I've been asking this question for several years and have never received a response other than silence, even when the question was asked face to face. The question is this. ..........."If certain signs, symbols. words and phrases on government buildings and documents are to be considered legitimate evidence for the United States being a Christian Nation, what are the many more pagan signs, symbols, words and phrases on government buildings and documents to be taken as evidence of?