Answer:
After enduring the constant threat of intrusion in the past, he feels safest when he is alone.
Explanation:
The Cheka, GPU, NKVD, MGB, and KGB are all organizations. These are only a handful of the names and acronyms for the same thing: the Soviet Union's frightening secret police system. Following the Bolshevik Revolution of 1917, Russia's Communists utilized oppressive brutality to crush any form of political opposition.