Which of the following were claims made about confederacies in this section of the chapter? (SELECT ALL THAT APPLY)

A. In confederacies, the people always exert tight democratic control over the central government.
B. In confederacies, it is difficult (if not impossible) for the central government to prevent states from free-riding on the provision of public goods.
C. In confederacies, the central government has most of the power and authority.
D. The central government in a confederacy is best described as a "government over governments" instead of a "government over individuals" (or a "government over people").