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:
I believe that was the Crusades.
The United Nations ultimate goal was peace and to replace the unsuccessful League of Nations.
Answer:
much more crops are produced
