Answer:
A Native Americans had no languages of their own.
Answer:
"Buying on margin" is borrowing money from a broker to purchase stock.
Explanation:
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.
Greek were very skilled sculptors but since Romans copied the greek style they improved the methods and made their sculptures much more better and unique.