Why do you think there hasn't been a major stock market crash similar to the crash of 1929?

The stock market crash of 1929 was not the sole cause of the Great Depression, but it did act to accelerate the global economic collapse of which it was also a symptom. By 1933, nearly half of America's banks had failed, and unemployment was approaching 15 million people, or 30 percent of the workforce.

Explanation:

the answer is a, salt plain

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean