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1. what procedure did craft unions use to achieve some success with the issues of wages, hours, and conditions?

a. horizontal integration

b. collective bargaining

c. vertical integration

d. lawsuits

2. what percentage of workers belonged to labor unions by 1900?

a. 4%

b. 27%

c. 45%

d. 70%

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.

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