If you don't know what your signing you might sign something bad and if you don't understand you can still sign something bad
He devises a system for practicing a single virtue every week
Answer:
advantage is your formatting changes such as margins, indents, or headers and footers and it makes your work more proper looking.
disavantage is
Columns add visual charm or elegance, depending on style
The theme is A, a message about life and human behavior. Sometimes, the theme of the lesson isn't directly stated, but is implied throughout the story, so it can't be B. Opinions of the reader are opinions of the piece of literature, and have nothing to do with the literature directly. And the introduction is the beginning paragraph of the story, which the theme is displayed throughout the story, not just one part.