Religious freedom: they no longer had to follow one strict religion
Political: they had a democratic government where the power originates from the people
Civil: people could vote for who will be president
Okay I only know 2 things: The sinking of the Lusitania and Zimmerman Telegram. What started the war the ruler of the ottoman empire was assassinated and what expanded the war was the Zimmerman telegram.
They devastated much of Europe and created many enemies for France. the German states became a united European power.but the net effect was the return of the bourbon monarchy under Louis xvlll to franc.