The document provides a detailed overview of the rise and fall of Nortel Networks from the late 1990s through its bankruptcy filing in 2009. It describes Nortel's dominant position in the Canadian market in the 1990s, its struggles during the dot-com crash including an accounting scandal, and its eventual bankruptcy as it struggled to adapt to changing technology and market conditions. Financial analysis reveals issues like declining revenues and profits as Nortel tried to cut costs. The document examines possible managerial failures and discusses the breakup of Nortel's assets among other companies in its industry.