Many new machines like the cotton engine. It improved men's clothing and provided new weapons. (Industrial Revolution)
The stock market crash caused everyone to take the money out of banks, but he banks were running out. the reason for this was because the money left in stocks lost value.
Since the 1950s, the USA has had sanctions against Cuba, being enforced mainly by 6 statutes, the last one being passed in the year 2000. The Cuban government itself believes that the embargo has cost Cuba $753.69 billion USD.