<span>A period of rising stock prices; the bull market of the 19023 led more Americans to buy stock on credit, which put them in debt and artificially increased stock values.</span>
B. Cannons… in March 1453 Urban’s cannon had been transported to Edirne to the outskirts of Constantinople
I would have to say the answer is Patriotism
If I'm not mistaken, it was used as a neutral zone. Basically splitting hostiles from non-hostiles. It was also being used as a safe haven for the poor who couldn't pay taxes.
I hope this is the answer you were looking for and that it helps!! :)