A central idea in a text . A.) appears in the first sentence of a paragraph
B.)states the writer's main claim
C.)provides support to persuade readers
D.)relates the subject to readers' knowledge

it is the nurture that decides the behavior of a child.

explanation:

naturally, children are pure. it is an environment and the type of attention a child gets that determines their behavior.  

did you ever get an answer? i'm on the same question : (

answer: yes, ive read this book! now whats the problem ?

explanation:

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.