The most effective thesis statement in the following choices is C. Virginia Beach makes a great family vacation. This statement summarizes the main idea effectively. The is an evidence and claim on how great family vacation if its in Virginia beach.
I would say that based on this excerpt and your knowledge of American history, the stock market crash made Americans lose confidence in business because B. people worked diligently to participate in the building of the American dream with the understanding they would profit.
However, when the stock market crash happened, they lost all faith and confidence.