A. Oswald Spengler
B. Arnold Toynbee
C. Pitirim Sorokin
D. None of these
Correct Answer: Pitirim Sorokin ✔
Last Updated: September 23, 2019
A. Oswald Spengler
B. Arnold Toynbee
C. Pitirim Sorokin
D. None of these
Correct Answer: Pitirim Sorokin ✔
Last Updated: September 23, 2019