The term for elections in which success is defined by getting the most votes is ____________________

A measure can be ________ without being ________

A) valid; reliable B) reliable; valid C) valid; replicable D) subjective; person-specific

Which of the following was the greatest crisis affecting the American federal system, ultimately deciding the meaning of an "indestructible union"?

A. the American Revolution B. the Civil War C. World War I D. the Vietnam War