In which two states is a supermajority in a referendum necessary for the passage of a constitutional amendment?

One of the most important uses of a correlation is its potential use in

A) Causal inferences. B) Determining differences between groups. C) Enhancing internal validity. D) The prediction of future events.

________ refers to a constitutional arrangement in which sovereign nations or states, through a constitutional compact, create a central government but carefully limit its power and do not give it direct authority over individuals

A. Extradition B. Privatization C. Confederation D. National supremacy E. Federalism