Original sentence: Several times, when the Soviet military-industrial complex found itself unable to compete against new developments, KGB responded by propping up fake "peace movements" in Western countries, creating astroturfing campaigns against these developments
Edited sentence: Several times, when the Soviet military-industrial complex found itself unable to compete against new developments, KGB responded by propping up fake "peace movements" in Western countries, creating astroturfing campaigns against these developmentsor so go the allegations of Soviet defectors working for conservative think-tanks or disseminated by conservative publishers