The Stock market crash of 1929 was indeed the cause of the Depression, as the market crash put Wall Street in panic. Millions of the Stock investors lose it all. The lack of confidence in the situation ceased consumer spending; this resulted in massive layoffs of workers.
The answer would be b I believe
Answer:
2: Allied troops flew supplies into West Berlin during a blockade by the Soviet Union.
Explanation:
They check there answers using history, like they use primary sources etc.