Regarding the relationship between China's Communist Party and People's Liberation Army: the commissar system (originated by Trotsky for Bolsheviks, adopted by China) pairs a military officer with a political commissar to ensure party control; the commissar reports to secret police if officers deviate, creating powerful party control mechanisms; with China's surveillance state monitoring 1.3 billion people (including children's school behavior to rate social credit), it is 'unclear' whether this control remains effective or has become too data-intensive to manage