Which factor produced gains in union membership in the United States during the late 19th century and early 20th century?

the encouragement factory owners gave to organized labor
the increased efforts of the federal government to break up monopolies
the beginning of widespread outsourcing of American jobs to foreign countries
the shift from an agricultural economy to an industrial economy

Question

Which factor produced gains in union membership in the United States during the late 19th century and early 20th century?

 the encouragement factory owners gave to organized labor
 the increased efforts of the federal government to break up monopolies
 the beginning of widespread outsourcing of American jobs to foreign countries
 the shift from an agricultural economy to an industrial economy

anonymous · Answer

@mathstudent55 @bibby @ParthKohli

joyeezy · Answer

the shift from an agricultural economy to an industrial economy