It’s Merriam-Webster’s Word of the Day today, and given how it’s generally used in English–with nouns like rebellion and opposition–now is a good time to post this context clues worksheet on the verb foment. It’s used transitively only, so do not forget your direct object: you must foment something.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.