▁that ▁Battle ▁M ound , ▁lying ▁along ▁the ▁Great ▁B end ▁of ▁the ▁Red ▁River ▁in ▁South west ▁Ark ansas , ▁was ▁a ▁larger ▁site ▁than ▁S pi ro . ▁Little ▁exc av ation ▁has ▁been ▁done ▁there ▁to ▁date . ▁The ▁C add o an ▁Mississ ipp ian ▁towns ▁had ▁a ▁more ▁irregular ▁layout ▁of ▁ear then ▁m ounds ▁and ▁associated ▁villages ▁than ▁did ▁towns ▁in ▁the ▁Middle ▁Mississ ipp ian ▁heart land ▁to ▁the ▁east . ▁They ▁also ▁lack ed ▁the ▁wooden ▁pal is ade ▁fort ifications ▁often ▁found ▁in ▁the ▁major ▁Middle ▁Mississ ipp ian ▁towns . ▁Living ▁on ▁the ▁western ▁edge ▁of ▁the ▁Mississ ipp ian ▁world , ▁the ▁C add o an ▁may ▁have ▁faced ▁fewer ▁military ▁thre ats ▁from ▁their ▁neighb ors . ▁Their ▁soci eties ▁may ▁also ▁have ▁had ▁a ▁somewhat ▁lower ▁level ▁of ▁social ▁strat ification . ▁ ▁The ▁S pi ro ▁people ▁were ▁probably ▁speak ers ▁of ▁one ▁of ▁the ▁many ▁C add o an ▁languages . ▁The ▁C add o an ▁languages ▁once ▁had ▁a ▁broad ▁ge ographic ▁distribution , ▁but ▁many ▁are ▁now ▁ext inct . ▁The ▁modern ▁languages ▁in ▁the ▁C add o an ▁family ▁include ▁C add o , ▁W ich ita , ▁K its ai , ▁P aw ne e , ▁and ▁A rik ara ▁languages . ▁W ich ita ▁and ▁K its ai ▁are ▁both ▁ext inct . ▁ ▁See ▁also ▁ ▁Mississ ipp ian ▁Culture ▁ ▁C ah ok ia ▁ ▁S out he astern ▁Cer emon