Answer:
The core meaning of difference is that something is unlike something else in some way. ... The core meaning of diversity is that there are many dissimilar or unlike forms, types, or ideas present in one area, group, or organization.
Explanation:
The correct answer is:
A) a style of jazz developed in Harlem
This poem is about a boy who asks whether you have heard the boogie-woogie rumble of a dream deferred. If we go to the third word of the first line "daddy" is how we can determine that the term boogie-woofie refers to a style of jazz developed in Harlem. "Daddy" is refering to "daddy-o" a term that was used in the jazz era. That's how it could be easily recognized.
-(after the sentence.) Cassie and Ben have fulfilled their sacred mission of saving Sammy, the aliens' main military base has been blown to bits, and Cassie and the gang are headed off to relative safety.
the story ended because of the hard work or skill. cassie and Ben, other characters worked hard to save "humanity" or what's left.
Working hard irl is most important because that's how you can get things you want/need to succeed.
(I dont know if that answer is okay, but there?^)