I believe it was a military campaign created in the second World War. I think the Raf (Royal Air Force) the United Kingdom's Air Force, was created to defend against the German's Air Force the Luftwaffe. It was famous because it was the first big campaign fought only by airplanes. Hope this helped:)
Answer:
Several publications in the mid-1800s made the cruelties of slavery public in the North. hope that helps you
Explanation:
These are very interesting vocabulary words