I don't think a correction is necessary. Both parts of the sentence are already in the present tense. Plus, the use of "us" in the beginning of the sentence indicates a personal attachment.
Answer:
(B) criticized
Explanation:
in the passage it says doctor seuss created more than 400 cartoons challenging world war 2 policies partially American isolationism
Answer:
It seemed to have been constructed for no special use within itself…
Explanation:
There are two types of voices when it comes to the English grammar and these are the <em>"passive voice</em>" and the<em> "active voice."</em>
"Passive voice" means that<u> the recipient of the verb's action is the</u><u> "subject."</u> This is opposite to that of the active voice wherein <u>the subject is the one which acts upon its verb.</u>
The subject above is "It" and it is the recipient of the verb "have been constructed."
So, this explains the answer.