—Eli J. LesserThis Constitution Day lesson plan looks at the influence of specific thinkers and their writings on the Constitution.301

A study of key issues such as amnesty, enforcement, and employer liability will help students understand the complexity of immigration policy.

—C. Frederick RisingerWhile many websites on the U.S. population focus on immigration policy, these selected sites can help teach students specifically about population growth and the 300 million milestone.286

—Judith Waldrop and Kimberly Crews, U.S. Census BureauIn 1967, the United States population topped 200 million. In 2006, the nation will reach 300 million. This article compares key statistics that highlight how much the country has changed in four decades. 282Surfing the Net

Lee Ann PotterThe featured document enables students to consider the role population estimates played in determining the structure of the U.S. Congress. 275