The west offered new settelers free land
They haven't... They are still bound by the same constitution that previous presidents have.
Answer:
Many people were on margin (that's when you put your stock up for security and the bank makes you a loan to buy more stock. Effectively the bank owns the stock). "Everybody's doing it. You can make scads of money doing it." When the market crashed, in many cases it took everything you had. Those who knew what was going on panicked.
Explanation:
Nope. That's the 17th Century. The 16th includes the years from 1501 to 1600.