It would be "Indonesia" that is not a country of mainland Southeast Asia," since Indonesia is in fact a large groups of islands off the coast, located above Australia.
Black Tuesday hits Wall Street as investors trade 16,410,030 shares on the New York Stock Exchange in a single day. Billions of dollars were lost, wiping out thousands of investors, and stock tickers ran hours behind because the machinery could not handle the tremendous volume of trading.
How individuals react a fourth of a century later
I'm not sure what the choices are as they're not provided. The importance of the victory at the Battle of Saratoga was a turning point as it showed that the United States could win against Great Britain. This eventually led to getting more allies such as France. France's help allowed the United States to gain more weapons and more equipment which proved to be very helpful as the war continued.