Which of the following were roman architectural innovations? -barrel vaults -squared arches -concrete -rounded pillars -windows that let in light

The expansion of the railroad networks led to

Which answer best describes an advantage of shipping goods by canal? most towns would rather have canals than noisy railroads. goods could travel very fast downstream in the canal system. travelling by boat is a much more relaxing way to transport goods. heavy loads of goods could travel by boat more easily than if pulled by horses.

What would de tocqueville later call civic responsibility? 1) liberty 2) laissez-faire 3) individualism 4) populism