Today's Sentence
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But the disturbing lesson was that a slight communication error, or split-second decision by a commander, could have thwarted all their efforts, as it nearly did if not for Vasili Arkhipov's courageous choice. The Cuban Missile Crisis revealed just how fragile human politics are compared to the terrifying power they can unleash.
Original Video：
The history of the Cuban Missile Crisis - Matthew A. Jordan
Key Vocabulary
1. disturbing
disturbing
[dɪˈstɜːbɪŋ] (adj.)
disturb
[dɪˈstɜːb] (v.)
disturbingly
[dɪˈstɜːbɪŋli] (adv.)
5. unleash
unleash
[ʌnˈliːʃ] (v.)
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