Which of the Following Is True Concerning Trade Between Indians

Which of the following is true concerning trade between Indians and Europeans?

A) Such trade was beneficial only to Europeans.
B) In order to supply Europeans with much-demanded furs, some Indian bands abandoned their traditional economies.
C) The controls imposed by some Indians on trade with Europeans created financial problems for European trading companies.
D) Most Indian bands traded with Europeans only out of fear of reprisals if they refused.