Answer:
A new study shows that Native Americans' land use nearly a century ago produced a widespread impact on the eastern North American landscape and floodplain development several hundred years prior to the arrival of major European settlements.
Explanation:
It seems that you have missed the given options for this question which are the following: <span>the Aztecs, the Chavins, the Incas, the Maya. Based on the given options, the correct answer would be THE MAYA. The early American culture that lived to the east of the Olmecs are the Maya. Hope this answer helps. Have a great day!</span>