. . "alleged high birth-rate of asians and blacks in the United States" . . "rapidly diversifying populations" . . . "Historical_racial_and_ethnic_demographics_of_the_United_States" . . "diversification" . "Historical racial and ethnic demographics of the United States" . "Racial and ethnic demographics of the United States" . "African-American population lived in the American South" . "Historical racial and ethnic demographics of the United States" .