What traits did the Inca’s have in common with the Mayan and Aztec?
HELP!!

What was gained through the gadsden purchase

Which of the following statements is true of cause and effect relationships

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth