What is the fine-grained topic of the following text: She cruised through “perestroika” (which according to Merriam-Webster means “the policy of economic and governmental reform instituted by Mikhail Gorbachev in the Soviet Union during the mid-1980s”) and even “panglossian” didn’t seem to phase her (“marked by the view that all is for the best in this best of possible worlds”). Only return the topic.
Understanding Difficult Words and Phrases