Answer:
The Ottoman Empire, often known as Turkey, was not part of the Central Powers alliance in August 1914, but it had declared war on most of the Entente Powers by the end of 1914. In October 1915, Bulgaria joined the Central Powers.
Italy, a pre-war ally of Germany and Austria-Hungary, entered the war in 1915 on the side of the Entente. By 1918, many other countries had become involved, including the United States and Japan on the Entente’s side
Explanation:
