Difficulty: Easy
Correct Answer: Breakthrough
Explanation:
Given data
Concept/Approach
The antonym must signal dramatic progress that ends the stalemate.
Option analysis
Breakthrough: sudden advance that resolves a block; opposite of impasse. ✅Resurgence: revival; not necessarily solution to a stalemate. ❌Continuation: ongoing state; an impasse can continue, so not opposite. ❌Combination: joining; unrelated. ❌
Final Answer
Breakthrough
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