Which statement is a central idea of Kennedy's speech? A. Space exploration is important to national security
B. Space exploration is important to the promotion of peace.
C. Space exploration is a race that must be won by the United States,
D. Space exploration is important for the advancement of all mankind.

D. Space exploration is important for the advancement of all mankind.

Explanation:

The purpose of Kennedy's speech:

It was to explain to the American people why the Apollo program needed to be a high priority, which would allow for a “boost” in funds. Kennedy succeeded. The Rice University speech wasn't the first time Kennedy had called to reach the Moon within a decade.

what do u need with

in this passage from chapter 6 of "animal farm", by george orwell, what the author is ridiculing in this passage is the frivolity of some rules.

clover, the mare, believes she remembers that the fourth commandment forbade sleeping in beds because it was something that humans did. snowball, napoleon, and the pigs are brain-workers who look after the welfare of the farm. they are the obvious leaders because they are smart, and so they are entitled to eat the best food and sleep in beds. it is squealer, who says these lines making the difference between sleeping with sheets, what humans do, and sleeping in beds, what pigs do. the unwillingness to question authority makes the oppressed to obey without thinking.