According to the regional continuity model, prevented local populations of premodern homo sapiens from becoming separate species

According to the Regional Continuity Model, gene flow prevented local populations of premodern Homo sapiens from becoming separate species

Explanation:

The Regional  Continuity Moder or Multiregional Evolution Model states that Homo Sapiens did not originate in Africa exclusively; there was  a gene flow between regional populations, single, though polytypic species.

Simply said, local populations in Asia, Europe and Africa continued their evolutionary development from modern Middle Pleistocene forms to anatomically modern humans.

i do believe   by (keeping an organized record of all sources he or she referenced)good luck.

explanation:

the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj