How did Paleolithic peoples arrive in North America? They traveled across the isthmus of Panama.
They sailed across the ocean from Europe.
They canoed from the Hawaiian Islands.
They crossed a land bridge from Asia.

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i think it's b

possible the invasion of room could have been avodiable but the people of rome were to stubboron and to wealthy the kingdoms saw them as a threat if they dialred it downa   bit ten i dont think they wouldnt failed   china was not iacvvdoaible they caused war to much and were out of hand therefor that must have happened india i dont really know it could of