Fully a quarter of black men who got married in 2013 married someone who was not black.
Among blacks, men are much more likely than women to marry someone of a different race.
Archaeological evidence is sometimes adduced to support the existence of an urheimat.
In the 19th century and the first half of the 20th century, the prevailing belief was that languages could be reliably associated with archaeological cultures.
, which struck down all anti-miscegenation laws remaining in 16 states.
Interracial marriages have increased steadily since then.
As the placement of branches is often uncertain, the time, location, and very existence of an urheimat is also often uncertain.