1.Because of the political revolution, there are new limits to the sacrifices that a leader can demand of the citizenry in the name of economic revolution. ... Knowing this, Yeltsin has tacked back and forth, endeavoring to skirt both mass unemployment and galloping inflation. 2. But some demographers addressing the meeting here of the American Association for the Advancement of Science warned that the trend to "smallness"may be jeopardizing the very aims that rurally mobile Americans are seeking. They said the flight from the cities and the influx of people to smaller communities and rural areas was in turn leading to rebellions among the established residents of these regions to the demands of the migrants for better schools. 2번에, 4번째 줄 중간 쯤에 in turn 이 무슨뜻인지좀 명확하게 해서 해석 해주세요..ㅠㅠ