Which of the following candidates backed by party leaders won the 1968 presidential nomination without entering any state primaries?

The more restrictions imposed on data,

A) The more degrees of freedom there are. B) The more degrees of freedom are lost. C) The more inaccurate the measures become. D) Both A and C

The collective action problem can be solved by establishing a sovereign state over a particular territory

Indicate whether this statement is true or false.