Which best explains how railroad companies were able to standardize their timetables in 1883?
by combining into a single railway company
by working together voluntarily
by unionizing their labor forces
by complying with federal legislation

Select the correct answer. how did powerful families such as the medici and the sforza spread renaissance ideas? a. they provided financial support to young artists and writers. b. they educated the poor children living in their own city-states. c. they constructed schools and colleges to teach the humanities. d. they borrowed money from banks to invite foreign artists to italy. e. they promoted contemporary works over religious works.