Number c was strictly forbidden in Nazi Germany newspaper were censored
Because Japan refused to surrender causing the Pacific war to drag on and the United States offered a unconditional surrender known as the Potsdam declaration and said if they didn’t agree to it they would face the alternative of prompt and utter destruction and Japan ignored it
To create a balance of power, those were all if the ideas of the groups.
Ex.
NATO,
North Atlantic Treaty Organization, keyword, treaty. It was all alliance between North America and other European countries.
Vienna wanted the balance of power during the wars.
So was the triple alliance and entente.
I hope this might help, <span>https://en.wikipedia.org/wiki/Map_projection</span>