What was China hoping to accomplish with Admiral Zheng He’s fifteenth-century explorations? It hoped to impress other kingdoms with its military might.
It wanted to spread Buddhism.
It had highly limited seafaring technology and wished to copy that of the Europeans.
It was searching for new resources because it did not yet have a trading economy. It wanted to be the first nation to arrive in the Americas.

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.