The recognition of the sovereignty of states is usually a ________ decision made by states

The Democratic Party that Franklin D. Roosevelt established in the 1930s __________

A) helped elect Democratic presidents five times in a row B) corrupted the traditional Democratic platform C) disrupted political mores regarding campaign finance D) lobbied congress to pass the 1936 Farm Bill

What type of threat to internal validity is associated with practice effects?

a) maturation b) regression c) testing d) instrumentation