The natural American impulse is to search for solutions, for policies that can _____ against these upheavals.

两汉以来，北方汉人因战乱、饥荒、政治等原因不断入闽。 A: for reasons of wars, famines or political upheavals B: for reasons of wars, famines and political upheavals C: for reasons of wars, famines and politics D: N/A

Because of recent political and economic upheavals in these countries, it seems likely that the trend will be toward decentralized, Western-style systems. A: conceptions B: innovations C: chaos D: transitions