So is it:
1) religious craze led to making lots of stone statues led to using all the trees led to soil erosion led to extinction by ecocide
or
2) disease brought by outside populations, and rats, led to demise
or
3) next decades' story which will probably contradict both of these
1) religious craze led to making lots of stone statues led to using all the trees led to soil erosion led to extinction by ecocide
or
2) disease brought by outside populations, and rats, led to demise
or
3) next decades' story which will probably contradict both of these