Since World War II the U.S. has been the world’slargest economy.()

听力原文：During World War II, Great Britain and the United States tried to deal with the p

Since its conception, the European Union has been a haven for those seeking refuge of war

Before and during World War II, families faced few financial problems in the industria

The Cold War began after the end of World War II between the Soviet Union and Britain and

Between the middle of the 19th century and the start of the World War II , many Europeans

In World War II the Soviet government allocat