Me need help with this ty ty

Workers painstakingly removed 7,613 graves and re-interred the dead in a new cemetery. When it was completed, Quabbin was the largest man-made reservoir in the world. Today it is the principal source of drinking water for people in 46 metropolitan Boston communities.

Explanation:

people are gonna need the passage.

the price of our current war is high; it costs money and it costs lives.

but it does not cost our pride. it does not cost the guilt that would arise from knowing that we did nothing to intervene while our neighboring nations fell to despotic leaders.

it does not cost the terror of knowing that our allies are unstable. it does not cost the fear that we, too, will be next to fall.

which sentence most accurately explains why the speaker's use of the parallel structure is effective in this passage?

a. it underscores that disagreement will not be tolerated and will be dealt with swiftly.

b. it makes the speaker seem like a decisive and capable leader.

c. it emphasizes reasons to fight and inspires listeners to aid the war effort.

d. it establishes the speaker's credibility by acknowledging the difficulties of war.