I find all of the answers pretty neutral (that is, giving only facts, no judgements) except on sentence 3: this is because of the word "sharply".
It seems that the author of this sentence makes a judgement about the split: that they're very split, that their argument was very intense. It seems like a judgement to me more than the other sentences.
The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.
"we are fighting meningitis by raising money for medical research". Hope this helps! (:
Ok he wanted to convey that in deference is worse then hate and anger weisels speaks from he experience of the holocaust by his worth and suffering his consideration
