Look at these sources. encyclopedia britannica the unit about world war ii in a history textbook a book written in 1995 about the last two months of the war a newspaper article from august 1945 about the bombing of hiroshima a student is writing an argumentative essay taking the stance that truman was right to use the atomic bomb against japan during world war ii. which of the following would be most useful as an additional source for the essay? a book about the entire history of japan the website for the truman library and museum a letter from an american soldier who fought in okinawa a magazine article from august 1945 about the hiroshima bombing