What helped transform America into an urban state?

How well does america today live up to the ideals of the declaration of independence?

Which suggests the most critical aspect of the peak oil theory? 1) controversy rages over rumors that the fracking lobby in washington has influenced the statistics. 2) supporters and critics argue endlessly over the rate of extraction and shape of the bell curve. 3) saudi arabia will soon have to begin fracking, leading to protests and further destabilization. 4) a new oil discovery means a fresh peak cycle, making that region the target of aggressors.

The andean nation of bolivia is poor but rich and natural attractions that file growing ecotourism economy