LONDON — In Sri Lanka and Myanmar, Facebook kept up posts that it had been warned contributed to violence. In India, activists have urged the company to combat posts by political figures targeting Muslims. And in Ethiopia, groups pleaded for the social network to block hate speech after hundreds were killed in ethnic violence inflamed by social media.“The offline troubles that rocked the country are fully visible on the online space,” activists, civil society groups and journalists in Ethiopia wrote in an open letter last year.For years, Facebook and Twitter have largely rebuffed calls to remove hate speech or …
