Final answer:
Cape Spear is recognized as the easternmost point in Canada, and it additionally served as a strategic defensive site during World War II. It's part of the Cape Spear National Historic Site known for its scenic views.
Step-by-step explanation:
Cape Spear is located on the Avalon Peninsula near St. John's, Newfoundland and Labrador. It is significant as the easternmost point in Canada and North America, excluding Greenland. This geographical location has indeed served as a strategic defensive site, particularly during the Second World War when fortifications were built to defend the entrance to St. John's harbour. Although it has historical importance, its recognition primarily comes from its geographical status. The area is also part of the Cape Spear National Historic Site and offers scenic views and a chance to be the first in North America to see the sunrise.