The correct answer is D. The need for coinage of silver money
Answer:
The United States joined the war on the side of the allies because Americans were outrages with Germany's submarine attacks on merchant and passenger ships.
Explanation:
The Russo-Japanese War was a war between the Japanese Empire and the Russian Empire. It started in 1904 and ended in 1905. The Japanese won the war, and the Russians lost. The war happened because the Russian Empire and Japanese Empire disagreed over who should get parts of Manchuria and Korea.
I believe it was the use of poisonous gasses, which they not only used on the Jews but in war too......., or The newly created Machine gun<span />