unravel

verb

• To separate the threads (of); disentangle.

  "Mother couldn't unravel the ball of wool after the cat had played with it."

• (of threads, etc.) To become separated; (of something woven, knitted, etc.) to come apart.
• To clear from complication or difficulty; to unfold; to solve.

  "to unravel a mystery"

• To separate the connected or united parts of; to throw into disorder; to confuse.

  "to unravel the broad consensus which was created"

• To become undone; to collapse.