The graph shows the gross domestic product of the United States from 1945 to 1960. What does this graph indicate about the US economy after World War II? Check all that apply. The US was building and creating new products each year. 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. The income from goods and services was in decline.