Which type of technology did city planners adopt during the industrial age in an attempt to meet the needs of commuters

Railroad technology

Think of two types of transportation systems developed in cities during the Industrial Age: elevated trains and subways. Both are forms of railroad technology applied to city landscapes. By elevating railways above the streets or placing them in tunnels beneath the streets, city planners were able to increase commuter travel options and access.

pretty sure it is c

explanation:

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.