The Khmer civilization was mainly developed by Indian cultural importance. Buddhism was flourished side by side with the offering prayer of Shiva and Hindu Gods, both the religions combined with the worship or devotion of the idolized king. Many Indian scholars, artists, and religious teachers were attracted to the Khmer court. Small temples set on stepped pyramids next appeared during the Khmer period. The Khmers opposed and then fought returned wars against the Annamese.
I thought you were asking what comes after 23 );
Two ecozones would be different it they had two different climates
The ocean floor spreading showed that it is possible for landmasses to move.
