Which of the Following Statements About Mercantilism Are True

Which of the following statements about mercantilism are true?

A) Trade deficits were to be avoided at all costs.
B) Accumulation of wealth depended on increasing a nation's trade surplus, not necessarily expanding its total value or volume of trade.
C) Acquire less-developed colonies to serve as a source of inexpensive raw material and as markets for higher-priced finished goods.
D) All of the above.