The My Lai massacre caused morale to plummet even further, as GIs wondered what other atrocities their superiors were concealing. On the home front in the United States, the brutality of the My Lai massacre and the efforts made by higher-ranking officers to conceal it exacerbated anti-war sentiment and increased the bitterness regarding the continuing .

Loss of American lives.

Explanation:

The question seems to be missing a few points. However, the response of American society to the massacre is ambiguous given the highly polarising nature of the accounts of the massacre in the American national memory

Vietnam War

Explanation:

The My Lai massacre is one the blackest pages in American history. On 16 March 1968, between 347 and 504 unarmed vietnamese civilians were killed, women were gang-raped and children were mutilated. Of 26 soldiers charged with criminal offences, only one Lieutenant was condemned to a life sentence but served only 3,5 years under house arrest.

It is no surprise that these atrocities were fuel on the anti-war fire in the United States.

b

explanation:

the author develops a cold, and scared tone. making the reader shudder with fear, and suddenly become cold. i'm guessing that he's writing a scary novel, or maybe about a chilly december night.