Turkish Jonturkler, coalition of various reform groups that led revolutionary movement against the authorial regime of Ottoman sultan Abdulhamid II, which culminated in the establishment of a constitution government.
Answer: The union realized that victory would not be as easy as it originally thought
Explanation: i did it
It was one of the reasons the US joined the war. With that, the Germans and Central Power started to lose (they had no chances after the sinking and the Zimmermann telegram)