What events led to the attack at pearl harbor?

Ok, so that there is a bunch of stuff. There is evidence that President Roosevelt knew there would be an attack on Pearl harbor, but he decided to let it happen so that the US would be in on the war (we were not before the attack).
There's not a straight forward answer, but I hoped this helped!

the following best describes postwar era writers in their works:

progressive

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.