Which statement about the Bantu migration is an
opinion rather than a fact?
(1) The migration occurred gradually over a long
period of time.
(2) Language and knowledge spread from
northwestern to southern and eastern Africa.
(3) The lack of primary documents makes it
difficult to determine the exact cause of the
migration.
(4) Bantu civilization was superior to those
civilizations that it displaced.
"(3) The lack of primary documents makes it difficult to determine the exact cause of the migration" is the best option but the first two could be facts as well.
