Answer:
Among the options given on the question, the answers are option B,C,D,E.
The value of American goods and services grew steadily.
The gross domestic product tripled from 1945 to 1960
The economy was booming and growing very fast.
The GDP had reached about $500 billion by 1960
Explanation: After World War II the economy of United States developed very fast. The government took so many steps that helped to improve the economy of the country. Creating jobs,building factories,scientific application in the mills that helped the booming of the economy.
However the map in the question shows the amount of GDP of USA during 1945 to 1960. GDP is measured by the annual production of a country. This product can be sold both in the country of overseas.
In the map it is shown that the GDP of 1945 is $200 billion,but by the end of 1960 it was $550 billion which means the GDP was almost tripled.
Moreover, this growth of GDP means the value of American products and services was increasing. Because a growing GDP indicates the increasing value of the product that was produced.
On the other hand it also indicates that America was building and creating new products each year.
