President Bush enlisted the support of European allies and the United Nations for launching an attack on Iraq

When seeking to match participants on relevant variables in a matched-subjects design, which of the following defines a relevant variable?

A) a variable that has no effect on the dependent variable B) a variable that can have an effect on the dependent variable C) a variable that has an effect on the independent variable D) any variable

The view that the various levels of government are related parts of a single governmental system characterized more by shared functions than by conflict and competition describes which of the following?

A) dual federalism B) cooperative federalism C) new federalism D) creative federalism E) single federalism