Answer: Option (D).
Explanation: Uncertainty is a condition where there is no knowledge about the future events. The key difference between risk and uncertainty is that uncertainty refers to not knowing possible outcomes or their probabilities while risk can be measured and quantified, through theoretical models. Risk is the potential for uncontrolled loss of something of value while Uncertainty is a potential, unpredictable, and uncontrollable outcome, risk is an aspect of action taken in spite of uncertainty.
C. The Meiji Restoration. The Meiji emperor was restored as head of Japan in 1868 and his first priority was to tackle domestic reform by abolishing feudalism, which gave people much more freedom and security.