Which of the following had already existed in africa before portuguese arrived

The supreme court serves what important function in the u.s. federalgovernment?

Write an account of the boston massacre from the point of view of a british soldier involved in the event

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.