Question

the was part of stalins secret police force. nkvd kgb cia swat

Explanation:

To solve this, we analyze each option:

• NKVD: Was the Soviet secret police during Stalin's time.
• KGB: Formed later, after Stalin's era.
• CIA: US intelligence, not Soviet.
• SWAT: Modern US law - enforcement unit, not Soviet.

So the correct option is NKVD.

Answer:

NKVD