How can a user say an answer was helpful, as in the picture below?

You have to either click on the heart or give it 5 stars.

Explanation:

You have to either click on the heart or give it 5 stars.

You would click the 'thanks' button right below this post, or any post to say a user was helpful :)

i could of w this question but i don't see a " passage " .

~

sorry ! ):

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.