The ______ is a term that describes fluctuations in the nation's economic activity, including periods of economic expansion and contraction

The principal responsibility for public safety in the United States lies with _________

A. the national government B. the National Guard C. state and local governments D. military forces

Both international and domestic surveillance has shown that a combination of technological advances and terrorist attacks can challenge __________

a. our liberties b. the judicial use of gag orders c. the freedom of religion d. improper police searches and seizures