During the Carnival Triumph disaster in 2013, providing free alcohol was more than enough to appease the frustrated passengers.

According to your text, what do many people believe was the "keystone" of the sexual revolution?

A. the introduction of the condom as a form of birth control B. the legalization of abortion the U.S. C. the development of the birth control pill D. all of the above

Choose the research term that describes "the researcher interacts with other participants, but the interaction is not driven by being an actor within the interaction scene."

A. Complete observer B. Complete participant C. Observer-as-participant D. Participant-as-observer