By the early Iron Age, contemporary civilizations developed money as a medium of exchange for increasingly complex transactions.
Ɣor santo n-awatayd wᾰr hasᾰn igdeh wa-s-itawanna wa-n taẓoli ,timettawen ti ᾰnnuflᾰynen ən azzaman iyyan , ᾰssəbdᾰdnᾰt aẓrəf šund əmmək en amaskᾰl fᾰl isalan ən mamala ( essuk ) esawe nes daɣ , tiwwaɗt ay-ikkan .