What is the purpose of a topic sentence in a paragraph?(1 point) A. to express the central idea of a paragraph

B. to describe the most important details that will be included in the paragraph

C. to explain where readers can find more information about the topic of a paragraph

D. to provide evidence for the ideas in the paragraph

A.to express the central idea of a paragraph

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.

i do not the question is put in the corrorect order