It included all except for C: Cortes.
The answer is from both east to west and west to east
It is C Japan because they knew the best literacy I hope this helped
Well the other guys answer is technically right their a few more details to it. The league of nations was also another attempt to stop further wars between various groups in the world. They didn't want another Holocaust or world war to happen so it made it that all nations would turn on one nation or nations if they did go rogue and attack.
I only know one and it’s A I believe