<span> d. Prevent the spread of communism outside of Eastern Europe.</span>
D, In the sentence “and they are bring their dog....” it should connect the word (they and are) to get (they’re) making D the answer.
Science fiction based on imagined future scientific or technological advances. Fantasy is imagining things that are impossible or improbable. The similarities are that both support impossible or improbable theories of things.
The Whirlpool I believe is your answer.