The fact that the united states did not join the league of nations supports the idea that many americans
a. strongly supported president wilson.
b. disagreed with henry cabot lodge.
c. agreed with the ideas of the isolationists.
d. wanted the us to be more involved in world affairs.

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.