I'm pretty sure that Copernicus discovered that, therefore your answr being A. Hope this helps :)
Answer:
Buying on margin is borrowing money from a broker to purchase stock
You can think of it as a loan from your brokerage. Margin trading allows you to buy more stock than you'd be able to normally. To trade on margin, you need a margin account.
B. Palestinians became refugees in Syria and Lebanon.
They hoped to end the Texas revolution. <span />
