Describes television episode on Louisbourg, a French fortress built in the early 18th century. It became the centre of French commerce in North America for thirty years, but its primary purpose was that of military post. Its strategic location was a threat to British colonies in North America. This "Claiming the Wilderness" episode is part of the "Canada: A People's History" series. Includes links to educational resources, bibliography, games, puzzles, and video clips.