How did pre-civil war immigrants differ from those who entered america between 1880 and 1920

Which statement best describes a contribution of the works of nicolas copernicus and galileo galilei?

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

Virginia has 11 people in the house and 2 in the senate. how many electoral votes foes it have? where is this addressed?