Answer:
D. They were a fertile place to grow crops and raise livestock.
Why did President Lincoln's argument that secession was not constitutional?
Answer is c
Traders, Spread by Muslim traders and scholars
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: