Tariffs have been applied over the years to protect homegrown industries and target competitors who are seen as using unfair trade practices. They impose costs on both importers and exporters and had been in decline until the recent U.S.-China trade war.

The Muslim separatist group, based in the Xinjiang province in northwest China, presents a heightening security challenge for Beijing.

While congressional action lags, a series of year-end fiscal measures could derail the U.S. recovery.

Poland has maintained economic growth despite the global financial crisis and eurozone woes, while asserting itself as a leading advocate for greater European integration.