Which of the Following Would Have Been a Violation of the Monroe

Which of the following would have been a violation of the Monroe Doctrine in the nineteenth century?

A) The Spanish navy attacking a French cargo ship in the Indian Ocean.
B) France attempting to establish colonial governments in various parts of Southeast Asia.
C) Britain sending military forces to Canada and Cuba in an attempt to overthrow those country's existing regimes.
D) Russia staging a military invasion of Poland.