Answer:
C. There was no form of writing.
Explanation:
Language was not evolved in prehistoric times
Universal writing did not exist, only cave paintings and the such did.
Records could not have been created without the ability to write.:
(this is correct but credits to darkdragonex)
The Iron Curtain was a boundary that separated Europe into two areas until the end of World War II. It made the Soviet Union more independent.
They perform the most essential tasks