I think he was 27.hopefully this helps
Answer:
The Second Battle of the Marne caused the Central Powers to collapse. In July 1918, the Allies and Germans clashed at the Second Battle of the Marne. ... With the arrival of 2 million more American troops, the Allied forces began to advance steadily toward Germany. The war would soon be over.
Explanation:
The first cause of the decline of Byzantine Empire was the Arab wars. In the west side of Byzantium conflicts rose and began to cause trouble for the Empire.
