the Olmec followed practices like some of those used by indigenous peoples as far north as the Mississippi and Ohio River valleys. For example, these northern "mound builders," as they have come to be named by archaeologists. Created giant earthen structures comparable to the platforms and earthen pyramids left by the Olmec Like the Olmec the mound builders are now extinct but they too were probably the ancestors of alter native Americans perhaps the indigenous people whom the first Europeans encountered in eastern North America
the Olmec followed practices like some of those used by indigenous peoples as far north as the Mississippi and Ohio River valleys. For example, these northern "mound builders," as they have come to be named by archaeologists. Created giant earthen structures comparable to the platforms and earthen pyramids left by the Olmec Like the Olmec the mound builders are now extinct but they too were probably the ancestors of alter native Americans perhaps the indigenous people whom the first Europeans encountered in eastern North America