How does the Black Monday of $1987$ compare to the stock market crash of $1929$ in terms of their causes, mechanisms, and economic outcomes?

Group of answer choices

In both events, market declines were caused by overly optimistic market sentiments due to regulatory changes and technological shifts. Both episodes saw deep plunges in the markets, but only $1987$ saw a quick reverse owing to proactive government subsidies and interventions in the stock market. The $1929$ crash, on the other hand, involved more extensive government bailouts, which were absent in the $1987$ scenario.

Both crashes were primarily triggered by international political tensions and regulatory discrepancies $($between banks and non$-$banks$)$ subsequent panics in the global stock markets. However, unlike the $1929$ crash, which was followed by the Great Depression, the $1987$ crash was swiftly countered by international monetary cooperation, preventing a long$-$term economic downturn.

The $1929$ crash resulted from a sudden collapse in agricultural prices, which directly triggered a stock market downturn, leading to the Great Depression. In contrast, the $1987$ crash was primarily caused by a brief panic induced by a sudden interest rate spike, which did not result in a prolonged economic crisis.

The $1929$ crash, driven by overly optimistic sentiments regarding both technological progress and the financial markets as well as banking instability. It was also followed by the Great Depression. Conversely, the $1987$ crash, triggered by automated trading and regulatory discrepancies $($banks versus non$-$banks$).$ It resulted in a sharp but brief market downturn without long$-$term economic fallout.