It would be "C. too much defense spending" that is believed to have played a role in the collapse of the Soviet Union, since the Soviet Union operated under a "command economy," in which the government dictated production.
The Anti-Federalists opposed the ratification of the 1787 U.S. Constitution because they feared that the new national government would be too powerful and thus threaten individual liberties, given the absence of a bill of rights.
Their main goal was to find lots of riches, and bring it back to Spain.
Some were killed in the boxer rebellion (apex)