The kingdom went into decline from the mid-16th century CE when the Portuguese, put off by the interference of Kongo's regulations on trade, moved their interests further south to the region of Ndongo. The latter kingdom had already defeated a Kongo army in 1556 CE.
Answer:
The bank run occurred because the stock market crashed and investors wanted immediate access to their liquid cash. This was not possible because many banks had invested heavily in the stock market and were not required to keep large sums of money on hand. Nor were the deposits of investors insured, so much of the liquid cash was gone. This situation led to great instability in domestic and international markets
Explanation: The Great Depression witnessed the collapse of the capitalist system as we know it.
Ouachita mountains would be correct!