The labor movement has long been struggling in the U.S., as fewer workers join unions and as high-profile organizing drives, like a June attempt to unionize Volkswagen employees in Tennessee, fall short. But American workers, feeling left behind as the economy grows around them, are joining together to demand a bigger slice of the pie. On Sept. 16, 50,000 General Motors workers walked off the job in their first strike since 2007, protesting idled plants and low wages. Nearly 8,000 Marriott workers went on strike in eight cities last year, while 31,000 supermarket employees in the Northeastdid the same in early 2019. In the past year, tens of thousands of teachers walked out of their classrooms to demand better pay and funding. In all, nearly half a million workers participated in strikes and work stoppages last year, the most since 1986. The labor disruptions show no sign of abating. [...] The recent labor unrest is in part fueled by uneveneconomic growth. While companies are prospering and the stock market hovers near all-time highs, the benefits haven’t been felt by many workers, who are often stuck in temporary jobs with no benefits. Paradoxically, the strong economy also emboldens workers. [...] When more jobs are available and unemployment is low, people feel more confident in demanding better pay and benefits. [...] Many nonunion workers also want change. Those in the gig economy, many of whom are considered- independent contractors and thus not eligible to unionize or receive benefits, have been demanding higher pay and steadier hours.