Which Christians? Catholics? Protestants? Which Islam? Sunni? Shia? That seems like an oversimplification. Then, the US is a country where only a few decades

Which Christians? Catholics? Protestants? Which Islam? Sunni? Shia? That seems like an oversimplification. Then, the US is a country where only a few decades ago eugenics was legal and interracial marriage was illegal. And not so long ago 50% of the country was willing to vote for an openly racist guy.