PLZ HELP Why did Spain begin to restrict immigration to Louisiana in the late 1700s? Many immigrants were not Catholic.
Most immigrants carried diseases.
Many immigrants were unskilled laborers.
Most immigrants came unwillingly.

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.