Population increases during the latter half of the 20th century reflected migration from the Rust Belt to the Sun Belt, as well as immigration from ______.

An example of a contingency from naturalistic research is provided in the textbook by

A) Tinbergen's observation of the feeding behavior of herring gulls. B) Graziano and Kean's research on disruptive behavior in autistic children. C) Darwin's research on natural selection. D) Margaret Mead's work on marriage rituals in the Trobriand Islands.

What part of the Constitution could be interpreted to support the idea of state-centered federalism?

a. Article I b. Article VI c. The Tenth Amendment d. The Eleventh Amendment