What happend in the ceremony of expo 2020?

Transitioning into District 2020, the Expo 2020 Dubai site will live long after we close our doors at the end of March 2022. This sustainable, human-centric smart city will reuse at least 80% of the Expo-built infrastructure, including LEED Gold and Platinum-certified buildings.

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.

the answer is b "spewing black smoke", i took the test and got 100%   hope i