Why does the author include this quote from John M. Barry: “Because of the war, there was a concerted effort to keep morale up”?

C. To help explain why officials downplayed the threat of the virus.

Explanation:

According to the text, the author included a quote from John M Barry which said that there was an effort made by the government not to kill morale of the men who were already at war.

This quote was included to try to explain why the officials tried to downplay the threat of the virus so as not to dampen morale.

silk

indigo  

rice

all the other answers are wrong

it was douglas macarthur..