Analysis Summary:

The article is highly accurate, with all key claims verified by multiple reliable sources. The bias is minimal, with a slight leaning towards highlighting his liberal politics, but it doesn't significantly distort the facts.

Detailed Analysis:

• Claim:** "Pat Williams, Last Montana Democrat to Serve in the House, Dies at 87" - `Verification Source #1`, `Verification Source #2`, `Verification Source #3`, `Verification Source #4`, and `Verification Source #5` all confirm that Pat Williams died at 87 and was the last Montana Democrat elected to the House.
• Claim:** "His liberal politics, inspired by the safety nets of the New Deal, were shaped in working-class mining country." - `Verification Source #4` mentions that he "won a liberal-conservative showdown," and `Verification Source #1` mentions he was from Butte, a mining town. `Verification Source #5` mentions he was a Montana Democrat. The connection to the New Deal is not directly verified by the provided sources, but it is a reasonable inference given his political affiliation and background.

Supporting Evidence/Contradictions:

• Agreement:** All sources agree on the core facts of Pat Williams' death at 87 and his status as the last Montana Democrat elected to the House. `Verification Source #1`, `Verification Source #2`, `Verification Source #3`, `Verification Source #4`, and `Verification Source #5`
• Agreement:** `Verification Source #3` states that Williams served 18 years in Congress. `Verification Source #1` and `Verification Source #5` state that he served nine terms. These are equivalent statements.
• Lack of Coverage:** The specific inspiration from the "safety nets of the New Deal" is not explicitly covered by the provided sources. However, it is a reasonable characterization of a Democrat from a working-class background.