There’s some controversy on the answer to that question. In a last warning to Iraq on March 17, 2003, President Bush argued that Iraq’s program to create weapons of mass destruction was an unacceptable risk and that peaceful efforts to remove it had failed: bit.ly/bc-bush-speech. The Senate Intelligence Committee later determined that pre-war intelligence reports about the Iraqi program were either overstated or wrong: bit.ly/bc-senate-report. BC has a large collection of books and other materials on the war, and the Wall suggests reading a few different viewpoints, including Iraqi ones: bit.ly/bc-iraq-causes