Final answer:
At the end of World War II, the Canadian navy was significant for its crucial role in the Battle of the Atlantic, safeguarding convoys and contributing to the Allied effort.
Step-by-step explanation:
The significance of the Canadian navy at the end of the Second World War is that it had a significant role in the Battle of the Atlantic (c). By 1945, Canada's navy had grown to become one of the largest in the world, and it played a critical role in ensuring the safe passage of ships across the Atlantic Ocean.
The navy was instrumental in protecting convoys of merchant ships from German U-boat attacks, which was essential for maintaining the flow of vital supplies to Great Britain during the war.