The process of becoming a citizen of a country is know as?

The "nationalists" and fascists battled against the "republicans" and communists in a civil war in the 1930s in

Ahistorian claims massive drought and famine in china caused the boxer rebellion. which of the following historians is making a counterclaim?

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.