How did the table turn in the favor of Allies and Central powers faced defeat in WWI?

With the entry of the United States into the war.

Explanation:

Before the United States entered World War I, the German-led Axis powers were in the lead. Russia was on its knees due to industrial underdevelopment had major problems in the military. Germany was more technologically advanced than France and Britain, which had a lot of problems. The United States' entry into the war changed the balance of power in favor of the Entente. The United States enters the war after Germany violated the agreement on neutrality with the United States, sinking some American ships. The United States was afraid that Britain and France would not repay America's debt because they were buying huge quantities of weapons.

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