It is necessary because if you don't have a confirmed opinion with textual evidence to back it up you wont have a good argument.
He thought that he knew a lot about witchcraft so he had more people arrested because he was Christian and thought when one was found the rest needed to be hunted for as well. he started the peak of it if you will
A group of tourists have decided to hike.. has doesn’t make sense to me or makes sense in this sentence - hope this helps!
When you understand the problem completely, you can build the project up from it. defining the problem is like defining a word in some text; when you know it, you know the rest of the content.
