Which event was a major cause of the enlightmnet

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

Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

What features of the electoral system support the existence of a two party system and analyze one of these features and explain its role