The answer is A it has access to the Atlantic Ocean
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.
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The Bolshevik Revolution brought about Lenin's "April Theses" blueprint to some extent because it was the document in which Vladimir Lenin expressed his ideas and philosophy for Russia. Lenin (1870-1924) came up with ten interesting points where he referred to the revolutionary ideal in a time of change for Russia. He unveiled the content of "April Theses" in 1917, before the attendants to the April Bolshevik Conference.
These ideas supported changes in the Tsar's government system and urged the Social Democratic Labor Party of Russia to consider rebellion as an option.