uuumm I dont know but lol and also thank you for making a stupid question so I can answer something so I can ask a question
Answer: D is right. But there are also many other reasons.
Explanation: League of Nations was formed by Allied powers (from the WW I) so consequently it was viewed as "League of Victors". Moreover USA did not join, may other states did not join and later on League of Nations was unable the prevent outbreak of WW II.
Due process is the legal concept that all citizens will be treated equally in terms of the law. This can be seen in the US Constitution with the 5th and 14th amendments. Here is an example: If a person is arrested for committing a crime, they must have their rights read to them. Once this person is arrested and read their rights, they are entitled to a trail with a jury of their peers present. The aforementioned rights are ones that ALL citizens are entitled to, no matter who you are.