It guides you to get the assignment correct :)
Hope this help!!
Answer:
1: Taking a sentence from a book and not stating the author.
2: Copying someones essay or test.
3: Taking a definition from Wikipedia and not stating that you got it from Wikipedia.
It depends on the era, peasants that lived in areas with little people speaked English, while the others in congress or in other places near the King speaked Latin, so the answer to that would be False.
You wont have a paper acceptable for any school or job that you may need to write a proper essay or something.