The cause of World war One was because of Nationalism meaning that other countries were more powerful than there rivals. Alliances were being formed and war was most likely to happen.
"I'm more powerful than you Serbia!"
Well maybe I'm more powerful than you Austria Hungar"
Tension continued to grow between Austria Hungary and Serbia. But on June 28 a Serbian Assassin shot Archduke Francis Ferdinand, then Austria Hungary declared war on Siberia. Serbia turned to its ally Russia and Great Britain and France Germany joined the war with Austria Hungary side the war had officially begun.
"War it is then Austria Hungary"
"To War to you Serbia"
Trench Warfare was occurring throughout Europe and so new Weapons such as the Machine gun was invented and poison gas, and tanks. America enters the War because of German U-boats attacking American boats so America joins the war. Eventually the Central powers surrender.
The Effects of the war were brutal 8.5 million soldiers killed and another 20 million were wounded. Leaders would meet at Versailles and sign a peace treated called the Treaty of Versailles. This treated forced Germany to take the Blame for starting the war it had to slash its army and had to pay billions for the damage it had caused.
"The War is over Hooray!!!"
Finally Germany can pay for what they have done".
The political change in Russia turned out to have great hardship for the people. During the war the emperor was forced out of power. Vladimir took over Russia's government and Established a Communism government.
"Have you heard Russia's emperor was kicked out and now Valdimirlenin has established a Communist government."
Germany had the worse Effects of World War One. The German empire was replaced by a fragile republic. Austria And Hungary became separate countries. Poland and Czechoslovakia gained independence. Finland, Estonia, Latvia, and Lithuania became independent.
"Poland and Czechoslovakia have gained Independence, and Finland,Estonia, Latvia, and Lithuania."