> I would say that race relations have not improved
The proportion of interracial marriages as a proportion of all marriages has been increasing since, such that 15.1% of all new marriages in the United States were interracial marriages by 2010 compared to a low single-digit percentage in the mid 20th century. Public approval of interracial marriage rose from around 5% in the 1950s to around 80% in the 2000s. The previous sentences are copy-pasted from Wikipedia.
The proportion of interracial marriages as a proportion of all marriages has been increasing since, such that 15.1% of all new marriages in the United States were interracial marriages by 2010 compared to a low single-digit percentage in the mid 20th century. Public approval of interracial marriage rose from around 5% in the 1950s to around 80% in the 2000s. The previous sentences are copy-pasted from Wikipedia.