Answer:
On this day in 1914, Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo. ... The assassination set off a rapid chain of events, as Austria-Hungary immediately blamed the Serbian government for the attack.
The answer for this question Is A
Just look at the picture is a diagram
Answer: Japan surrenders after the Soviet Union enters the war which marked the end of ww2.
Explanation: Nuclear weapons shocked Japan into surrendering at the end of World War II, which they didn't. Japan surrendered because the Soviet Union entered the war. Japanese leaders said the bomb forced them to surrender because it was less embarrassing to say they had been defeated by a miracle weapon.