Correct. The answer is b. Although the United States made critical contributions to the war—through economic expenditures totaling $22.6 billion and the deployment of millions of American troops who succeeded in ending years of trench warfare—its short-lived involvement meant that Americans suffered a relatively small number of casualties compared with other European nations.

Incorrect. The answer is b. Although the United States made critical contributions to the war—through economic expenditures totaling $22.6 billion and the deployment of millions of American troops who succeeded in ending years of trench warfare—its short-lived involvement meant that Americans suffered a relatively small number of casualties compared with other European nations.

Correct. The answer is d. The data presented in the table suggest that civilian casualties remained low only in India, Canada, Australia, and the United States, all of which were geographically far removed from the war’s military action. Even in the United Kingdom, which bore high military casualties, civilian casualties remained relatively low, thanks to its location on the other side of the English Channel.

Incorrect. The answer is d. The data presented in the table suggest that civilian casualties remained low only in India, Canada, Australia, and the United States, all of which were geographically far removed from the war’s military action. Even in the United Kingdom, which bore high military casualties, civilian casualties remained relatively low, thanks to its location on the other side of the English Channel.