What was one reaction the United States had to Cuba taking over property owned by Americans? The U. S. threatened a nuclear attack
The U. S. put an embargo on Cuban goods
The U. S. wanted Cuba to trade with other countries
An agreement was reached to limit the number of Cubans entering the U. S

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