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Prewar Assessment on Iraq Saw Chance of Strong Divisions
WASHINGTON, Sept. 27 - The same intelligence unit that produced a gloomy report in July about the prospect of growing instability in Iraq warned the Bush administration about the potential costly consequences of an American-led invasion two months before the war began, government officials said Monday.

The estimate came in two classified reports prepared for President Bush in January 2003 by the National Intelligence Council, an independent group that advises the director of central intelligence. The assessments predicted that an American-led invasion of Iraq would increase support for political Islam and would result in a deeply divided Iraqi society prone to violent internal conflict.

One of the reports also warned of a possible insurgency against the new Iraqi government or American-led forces...