Original sentence: After the entry of the USA into World War I in 1917, Hoople served on the front lines in France as a YMCA entertainer, where he not only raised the spirits of the troops with his melodious singing, but also led many soldiers to Christ
Edited sentence: After the entry of the USA into World War I in 1917, Hoople volunteered to minister to the American troops with the YMCA.On 18 May 1918 Hoople sailed for France.While in France, Hoople served on the front lines as an entertainer, where he not only raised the spirits of the troops with his melodious singing, but also led many soldiers to Christ