The Air battle above the English Channel to prepare for an invasion of Britain is the best describes the Battle of Britain. it is famously known as the Air battle for England where Royal Air Force defends against the German Air Force which began at the end of June 1940. The British and German air forces clashed in the skies over the United Kingdom and the battle ended when the Germany failed to gain air superiority over the Royal air force despite months of targeting Britains air bases, military post and civilian population.
I think that these are the answers for your questions.
3. B
4. B
Answer: it dropped almost by 10%
Explanation:
America's involvement in World War II had a significant impact on the economy and workforce of the United States. Our involvement in the war soon changed that rate. American factories were retooled to produce goods to support the war effort and almost overnight the unemployment rate dropped to around 10%.