I think you mean nullification. It was the idea that individual states could nullify federal laws if they felt like it.
Answer:
[5] It is impossible to put a number on how many more deaths the continuing war might have caused, but there are indications.
Explanation:
This sentence should be followed by a citation since it carries a different verb tense from the rest. This sentence is in the simple present and it reflects somebody's opinion. Therefore, it may imply a first- person sentence. The rest of the excerpt is in third person , it talks about Truman 's decision to drop the atomic bomb , and the verb tense is in the past
Well I would say do an event that is most signifigant to you. It could be a Tragic or Happy memory, or one that is simply close to your heart.
A of course, because it indicates just right that Diane says that. All the others , aren't in order and don't really comprehend.