After the assassination of the archduke of Austria-Hungary. one country wanted to go to war with the other.
pulling the forced alliances with other countries into the conflict.
other events such as the sinking of the Lithuania, caused America and more of its allies to join the fighting also
After World War II, much of Europe was devastated and needed to be rebuilt. However the countries had no money because they spent it all during the war. No taxes could be collected because the people were poor and had hardly anything to eat. The United States at this time was the richest nation in the world. Although Russia was an ally during the war against Germany, the relationship changed after the war and it was feared that unless Western Europe rise quickly again, it would fall into communist hands. The United States came up with the Marshall Plan and offered to help the European countries to recover from the effects of the war. Russia and its allies turned down the offer of assistance. The Marshall plan was a success and all the countries who accepted help recovered.
