Which statement best supports information concerning the date of the excerpt and it's reliability? 1: it may not be as reliable as other possible sources as it was written during the same tone as the fall of Rome

2: it may not be reliable as other possible sources as it was written after the fall of Rome

3: it may be reliable as the author is a primary source and wrote his experience

4: it may be reliable as the author is a primary source and gives his option