Darwinism, Social Darwinism Practice Test

A late-19th-century secondary source notes: “Social Darwinist writers often treated nations as if they were organisms locked in struggle, predicting that war and conquest would ‘naturally’ sort strong from weak.” Which later European development most clearly shows the political danger of treating international relations in these terms?

A secondary-source excerpt (c. 1880–1910) notes: “Natural selection described how certain traits become more common in populations; in politics, however, ‘survival of the fittest’ was recast to argue that poverty reflected inferiority and that empires proved national fitness.” Which consequence most directly followed from the social application described?