In the Battle of the Rhineland, more than 5,300 Canadians were killed out of nearly 23,000 total Allied deaths.
The atomic bombs dropped on Hiroshima and Nagasaki killed an estimated 200,000 people total (about 135,000 in Hiroshima and 50,000 in Nagasaki).
Explain why D-Day (Operation Overlord) was successful when Dieppe had been such a disaster. Include details about planning, secrecy, weather, and German preparedness.