a primary source is a source from the time and place of the event, like a photograph that was taken of a president from 1920. If it was something like a book written in 2015 about the picture from 1920, that would be a secondary source. Hope this helps!
The most likely answer is B) <span>Americans became more determined to free countries from communism. </span>
Casualty rates at the Battle of Okinawa and Iwo Jima plays a small role in the justification of dropping the atomic bomb, and is by no means the only justification or even the major justification in using the atomic bomb. They were, after all, only used as a statistical report through the casualty per sq. mile report of what can occur when invading the mainland. So yes, it may be a means towards the justification, but as the justification itself it is not.
~
The assassination of Archduke Franz Ferdinand set off a chain of events among European alliances that led to war.
