The end of World War II marked a new beginning for the global economy. Under the leadership of a new hegemon, the United States of America, and aided by the technologies of the Second Industrial Revolution, like the car and the plane, global trade started to rise once again.
The answer is true. Hope I helped.
I did some research and the lowest range was 1,000,000 and the highest was 1,700,000. Its hard to estimate this because they didnt have the proper recording instruments we have today.