The walls are thought to have been a symbolic show of authority, designed to preserve the privacy of royal families and set them apart from and above commoners. It is also important to note that the walls surrounded and later adjoined huts made of daga (mud and thatch), linked with them to form a series of courtyards.
The answer is <span>Investors purchased the stocks with little cash down; if the price dropped the investor had to repay the loan.
Investors tend to buy the stock on margin if they do not possess enough cash to purchase the full stock, which makes them forced to fill in the remaining amount by borrowing it from brokers or bank. If the stock ended up going down during the process, the investors will ended up destroying their overall net worth.</span>