This summer, for the first time, Facebook and Twitter removed a network of fake user accounts promoting pro-Western policy positions to foreign audiences and critical of Russia, China and Iran, according to a new report. The accounts, which violated the companies’ terms of service, “used deceptive tactics to promote pro-Western narratives in the Middle East and Central Asia” and were likely a series of covert campaigns spanning five years, according to the report from Stanford University and Graphika, a social media analytics firm. Twitter and Facebook, which shared their data about the accounts with the researchers, haven’t publicly identified what entities or organizations were behind the campaigns, the researchers said. Twitter identified the U.S. and Britain as the campaigns’ “presumptive countries of origin,” and Meta, the parent company of Facebook and Instagram, identified the U.S. as the country of origin, according to the report. In recent years, internet firms have …