1. This is a helping verb that adds information to the main verb that
follows it. It is used to express a
bas
degree of certainty about an
outcome or the possibility of
something

1)a

2 b

3 d

4 d or b

explanation:

what are the following?

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.