Yes it was a red cross the symbol of the christian soldiers
C
B
D are the answers
Hope this helps
Answer:
The United States had 4,355,000 military personnel involved in World War I. ... The U.S. Navy played a major role in helping to blockade Germany, keeping out supplies and hurting Germany economically. The U.S. forces that were sent to Europe during World War I were called the American Expeditionary Forces (AEF).