Which of the following is an example of future perfect tense?
a. she has learned her abc’s.
b. when she learned her abc’s, she had already been potty trained.
c. she will have learned her abc’s before being potty trained.
d. she will learn her abc’s.

the answer is: the start of world war i, and russia’s hopes of benefiting from it

during world war i russian joined due to in their current crisis they were being supported by france and the war was already declared to them by germany, they needed to maintain their political goal and leadership role in the balkans, and is the same feeling that this excerpt evoke the eager of maintain the land value.