The Protestant influence led to opposition to abortion being made part of the Republican Party's platform by the 1990s.[6][7] Republican-led states enacted laws to restrict abortion, including abortions earlier than Casey's general standard of 24 weeks.[8] The courts enjoined most of these laws.[9] The use of fetal viability as a standard was questioned in U.S. abortion-related cases after Casey, including by Justice Sandra Day O'Connor in her dissenting opinion in City of Akron v. Akron Center for Reproductive Health. These opinions argued that there are other scientific, philosophical, and moral considerations involved.[2]