Do you know what the speech is or what its about?<span />
A secondary source conclusion is valid.
Okay I only know 2 things: The sinking of the Lusitania and Zimmerman Telegram. What started the war the ruler of the ottoman empire was assassinated and what expanded the war was the Zimmerman telegram.
The primary reason to drop the atomic bomb was that it was belie ved that it would lead to less death than a land invasion and specifically less deaths among the Americans - option A is the correct one.