Step 1: Understanding Churchill's quote.
Winston Churchill described Russia as "a riddle wrapped in a mystery inside an enigma" to explain the complexity and secrecy surrounding Russia's actions during World War II. This quote reflects the difficulty of understanding Soviet Russia during that time.
Step 2: Analyzing the options.
- (a) Roosevelt: Incorrect. Roosevelt was the President of the USA, not the subject of this quote.
- (b) Russia: Correct. Churchill famously described Russia in this way, highlighting the mysterious and unpredictable nature of the Soviet Union.
- (c) Mahatma Gandhi: Incorrect. Gandhi was not the subject of this quote.
- (d) None of Above: Incorrect, as the correct answer is (b).
Step 3: Conclusion.
The correct answer is (b), as Winston Churchill described Russia as a "riddle wrapped in a mystery inside an enigma."