What denomination do the largest percentage of u. s. protestants belong to?

Which of the following contradictions best exemplifies why the democratic party struggled during the 1928 presidential election? a. it tried to appeal to religious fundamentalists along with committed secularists. b. it promoted jim crow laws but saw an influx of african american voters to its districts. c. it was forced to publicly endorse prohibition despite the objections of big businesses. d. it relied on the support of both the ku klux klan and roman catholic immigrants.