@BurnEr92976227 @LJeppesen142943 Most of the biracial children from these unions will marry white so yes it absolutely will be diluting the black race.
@SavageTalker69@LarrisseNelson@B1TuckerCarlson Amerindians came from Asia through the Bering Strait and the ones here today are not even the original ones.
Based on your logic, they too are immigrants.