Why was child labor so common? How did social reformers work to protect children?

How was classical persia's extensive network of roads important to its civilization?

The photograph shows children in germany after wwi. the photograph was most likely taken to show?

The 1884 amendment added onto the chinese exclusion act included what additional stipulation? the law would apply to ethnic chinese regardless of which asian country they originated from. the law would provide newly arrived chinese immigrants with land in the oklahoma territory. the law would establish all chinese americans as permanent aliens and deny them citizenship. the law would prohibit chinese immigrants from reentering the united states once they exited.