The answer you are looking for is the last one! It should be "It encouraged workers to create goods more quickly and efficiently."
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Countries with lower birthrates and longer average life spans typically face problems with "<span>programs for senior citizens," since these seniors cost the state a lot of money and the young labor force is relatively small. </span>
One of the most effective and consistent strategies of the 2004 George W. Bush campaign was the description of John Kerry as a "flip-flopper" who had changed his views for political gain. This line of attack put Kerry in stark contrast to Bush, a man who, his campaign insisted, held firm to his beliefs. This video of John Kerry windsurfing on Nantucket was particularly damaging as it provided a perfect visual metaphor for that plot and also played on the notion that Kerry is an East Coast elitist.