Explanation: Industrial capitalism has given way to many hardships, some of which are outlined by Otto von Bismarck in this passage. Therefore, (D) is correct. There is no mention of child labor, which had already been addressed decades earlier, so eliminate (A). There is no evidence of a declining life expectancy in Germany. Further, the scientific breakthroughs of the nineteenth century would increase life spans. Eliminate (B). Choice (C) is incorrect because Bismarck never mentions tariffs.