Answer:(B)
Tens of thousands from their generation would perish on the battlefield, 25,000 in one six-week period
alone. Many thousands more would die of disease.
Step-by-step explanation:
This paragraph (B) best supports the idea at the beggining because it reffers to the amount of people who lost their lives on the war and not only the americans who participated.
About 18 million people died during the conflict and over 70 million military personnel took part in one of the deadliest wars in history