Randall Balmer, God in the White House (HarperCollins, 2008) exposes how conservative Protestant leaders, searching for a wedge issue in the late 1970s, invented the evangelical anti-abortion movement some years after Roe versus Wade.
John Gagnon et al. “A Comparative Study of the Couple in the Social Organization of Sexuality in France and the United States.” Journal of Sex Research (2001) 38, 24-34 show how little difference there really is between the two nations.
(Note: You can view every article as one long page if you sign up as an Advocate Member, or higher).