The mighty force of consumerism has taken hold in China. In 2018, retail sales in China are expected to equal or surpass sales in the United States for the first time, another definitive marker in China's rise to economic superpower status. The growth of China's domestic retail market is luring everyone from automakers to make up companies that want to cash in on the country's growing middle class, but it also serves as another complication in President Trump's quest to transform U.S.-China trade.