Not only is the US heterogenous, but that division is constantly being driven through the slave culture of the deep south that really never died.
So you have a large part of the country (13%) who are native-born, but are seen as the "other" but another large part of the country, and an institutional culture to keep this divide in place.
So you have a large part of the country (13%) who are native-born, but are seen as the "other" but another large part of the country, and an institutional culture to keep this divide in place.