As in many places that saw Mandinka migrations, many of Guinea-Bissau's native populations were dominated or assimilated with resisters being sold into slavery via the trans-Sahara trade routes to Arab buyers.
Many of Guinea-Bissau's native populations were dominated or assimilated with resisters-Sahara trade routes to Arab buyers. This was as in many places. These resisters were being sold into slavery via the trans. These many places saw Mandinka migrations.