"To avoid arousing unnecessary talk, he took from the table the writing in which the millions were renounced, and when he got home locked it up in the fireproof safe."
They are sources that you can find the date, author, and have real facts and not just made up. Like if you went to the IRS website then that is a credible source for tax where as going to Wiki they are not credible because anybody can go there
B it relates with it and it’s the best answer