This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

Passage: In the mid-18th century, Paris became the center of an explosion of philosophic and scientific activity challenging traditional doctrines and dogmas. The philosophic movement was led by Voltaire and Jean-Jacques Rousseau, who argued for a society based upon reason rather than faith and Catholic doctrine, for a new civil order based on natural law, and for science based on experiments and observation. The political philosopher Montesquieu introduced the idea of a separation of powers in a government, a concept which was enthusiastically adopted by the authors of the United States Constitution. While the Philosophes of the French Enlightenment were not revolutionaries, and many were members of the nobility, their ideas played an important part in undermining the legitimacy of the Old Regime and shaping the French Revolution. Question: Which philosopher introduced the idea of a separation of powers in government?
Montesquieu

Passage: Robert Fisk, seven times British International Journalist of the Year, resigned as foreign correspondent in 1988 over what he saw as "political censorship" of his article on the shooting-down of Iran Air Flight 655 in July 1988. He wrote in detail about his reasons for resigning from the paper due to meddling with his stories, and the paper's pro-Israel stance. Question: Which major journalist resigned as foreign correspondent of the Times in 1988?
Robert Fisk

Passage: At the age of 10, West moved with his mother to Nanjing, China, where she was teaching at Nanjing University as part of an exchange program. According to his mother, West was the only foreigner in his class, but settled in well and quickly picked up the language, although he has since forgotten most of it. When asked about his grades in high school, West replied, "I got A's and B's. And I'm not even frontin'." Question: What University was the cause of West's mother moving the family to China?

Nanjing University