By saying that "“The day of conquest and aggrandizement is gone by" Wilson is saying that it is time for a new world order, in which territorial conquest isn't the norm. Unfortunately he was proved wrong.
The meaning of the quote "Without feeling of respect, what is there to distinguish men from beast" is a saying that humans have a certain level of consciousness that separates us from any other creature. We he created this type of society where we are expected to uphold certain standards, unlike our more primitive counterparts.
I did this yesterday the answer was A