Trắc nghiệm: In the early 1900's. Pennsylvania's industries grew rapidly. a growth sometimes accompanied by disputes labor.,In the early 1900's. Pennsylvania's industries grew rapidly. a growth sometimes accompanied by disputes labor.,In the early 1900's. Pennsylvania's industries grew rapidly. a growth sometimes accompanied by disputes labor.,In the early 1900's. Pennsylvania's industries grew rapidly. a growth sometimes accompanied by disputes labor,In the early 1900's. Pennsylvania's industries grew rapidly. a growth sometimes accompanied by disputes labor .