Analysis Summary:

The article's central claim about the impeachment of former president Yoon for declaring martial law is partially supported by some sources, but the impeachment aspect is not universally confirmed. The article exhibits moderate bias due to the framing of the situation and the potential for selective reporting.

Detailed Analysis:

• Claim:** The snap election follows the impeachment of former president Yoon for declaring martial law.
  • Verification Source #5: Supports the claim that former President Yoon Suk Yeol declared martial law on Dec. 3, 2024.
  • Verification Source #4: Mentions Yoon's impeachment and the polarized political climate the new president will inherit.
  • Verification Source #1 and #2: Refer to "martial law declaration" in relation to South Korea and the election.
  • Verification Source #3: Does not cover the claim.
  • Internal Knowledge:* While the provided sources mention martial law and impeachment, the direct causal link and the specific reason for impeachment (martial law declaration) are not definitively confirmed across all sources.

Supporting Evidence/Contradictions:

• Verification Source #5: "The election comes just six months after former President Yoon Suk Yeol declared martial law on Dec. 3, 2024 — a move that shocked the nation…" This supports the claim that martial law was declared.
• Verification Source #4: "Yoon's Impeachment and South Korea's Future" suggests that Yoon was impeached, but doesn't explicitly state that the impeachment was *because* of the martial law declaration.
• The lack of explicit confirmation across all sources regarding the *reason* for impeachment introduces uncertainty. The BBC article presents it as a direct consequence, which may be an oversimplification or a biased interpretation.