Us victory in the mexican american war in 1848
<span>Nationalism in the Balkans and a system of military alliances is the best selection for the major cause of World War One. </span>
The new colossus by Emma Lazarus
At the end of World War II, the Soviets occupied several other countries that were converted into satellite state. These countries were the People's Republic of Poland, the People's Republic of Hungary, the Socialist Republic of Czechoslovakia, the People's Republic of Romania, the People's Republic of Albania, and then East Germany from the German Soviet occupation zone.
B. United States, hope that helped