Reason: When the United States enters the Second World War, there was a draft. This saw lots of men either go to the pacific theatre or the European theatre. This left millions of jobs available for the people who weren’t drafted. This made the economy skyrocket. And if the United States never entered the Second World War, the supply’s being sent to the United Kingdom helped greatly
It was a destination for pilgrimage already before the times of Muhammad. People travelled there for example to see the Zamzam Well, which dates back to the times of Abraham.
The answer is B which is The gross national product decreased an allowed Americans to afford more , but ultimately resulted in the collapse of many businesses