ated ▁plant ▁food s , ▁and ▁a ▁mobile ▁subs istence ▁strategy ▁in ▁which ▁small ▁groups ▁took ▁advantage ▁of ▁season ally ▁available ▁resources ▁such ▁as ▁n uts , ▁fish , ▁shell fish , ▁and ▁wild ▁plants . ▁Pot tery , ▁which ▁had ▁been ▁manufact ured ▁during ▁the ▁Arch a ic ▁period ▁in ▁limited ▁amounts , ▁was ▁now ▁w ides p read ▁across ▁the ▁Eastern ▁Inter ior , ▁the ▁S out heast , ▁and ▁the ▁N ortheast . ▁ ▁The ▁Far ▁N ortheast , ▁the ▁Sub - Ar ctic , ▁and ▁the ▁North west / P la ins ▁regions ▁widely ▁adopted ▁pot tery ▁somewhat ▁later , ▁about ▁ 2 0 0 ▁B CE . ▁ ▁Inter action ▁The ▁A den a ▁culture ▁built ▁con ical ▁m ounds ▁in ▁which ▁single - ▁or ▁multiple - event ▁bur ial s , ▁often ▁cre m ated , ▁were ▁inter red ▁along ▁with ▁rich ▁grave ▁goods ▁including ▁co pper ▁bra ce lets , ▁be ads , ▁and ▁g or gets , ▁art ▁objects ▁made ▁from ▁m ica , ▁nov ac ul ite , ▁h emat ite , ▁band ed ▁sl ate , ▁and ▁other ▁kinds ▁of ▁stone , ▁shell ▁be ads ▁and ▁cu ps , ▁and ▁leaf - sh aped ▁" cache ▁bl ades ". ▁This ▁culture ▁is ▁believed ▁to ▁have ▁been ▁core ▁to ▁the ▁M ead ow ood ▁Inter action ▁S phere , ▁in ▁which ▁cult ures ▁in ▁the ▁Great ▁L akes ▁region , ▁the ▁St . ▁Lawrence ▁region , ▁the ▁Far ▁N ortheast , ▁and ▁the ▁Atlantic