Which Statement Best Reflects the Progress of U

question 76

Multiple Choice

Which statement best reflects the progress of U.S. labor unions over the last seventy years?

• A) They have experienced steady growth and now represent 35 percent of workers.
• B) After being painted as "socialist," they saw their enrollment suffer badly through the 1940s, 1950s, and 1960s, but they have rebounded strongly in the last thirty years.
• C) Enrollment seems to rise and fall each decade, but with an overall peak since the turn of the twenty-first century.
• D) They have benefited greatly from the steady influx of manufacturing away from other countries.
• E) They grew steadily following World War II, peaked in the 1950s when about a third of Americans belonged to a union, then have watched their numbers dwindle as more manufacturing jobs move overseas.

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Definitions:

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in growth, development, function, and reproduction of all known living organisms.

RNA

RNA, a vital nucleic acid found in every living cell, functions as a courier, delivering directions from DNA to regulate protein synthesis.

Evolutionary Systematics

An approach to classification that considers both evolutionary relationships and the extent of divergence that has occurred since a group branched from an ancestral group. Compare with cladistics and phenetics.

Phylogenetic Tree

A branching diagram that shows lines of descent among a group of related species.