Answer:
to seek better employment and to seek better education.
Explanation:
the 20's and 30's still had many white men acting heavily racist against blacks, especially in the south. they fled north to hopefully find better opportunities
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:)