What was the cold war?
a. a long bitter struggle between the us and the soviet union
b. an armed conflict between the united states and the soviet union
c. a period in which many asian and european nations established communist goverments
d. a period in many free world nations become third world nations

What words in the preamble to the constitution reflect the principle of popular sovereignty

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design

Which of the following variables has the strongest influence on the variations found in american family life? a.race and ethnicity b.religious affiliation c.social class and culture d.education and occupation