The heliocentric theory became the centerpiece for debate between?

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century

This is a picture of workers in a factory. why was this picture most likely taken? to advertise that kids could get jobs to expose the horrors of child labor to show pride in children at work to show that night workers were needed o

In 1991, which of the following split into 15 independent republics when its communist government lost power? a) china b) belarus c) germany d) soviet union