Isn&#x27;t a devastating, long-term drought a recent and popular theory as well, decimating many Central and South American tribes such as the Mayans and the Aztec?<p>[1]<a href="http:&#x2F;&#x2F;science.time.com&#x2F;2012&#x2F;11&#x2F;09&#x2F;mayans&#x2F;" rel="nofollow">http:&#x2F;&#x2F;science.time.com&#x2F;2012&#x2F;11&#x2F;09&#x2F;mayans&#x2F;</a>