Answer:
A. his photographs helped end child labor
Step-by-step explanation:
Lewis Hine was an American sociologist and photogropher in the United States in the early 1900's. His work and photographs revolved around many events that took place during that time such as the construction of the Empire State Building and even the Great Depression, but his most famous work was regarding child laborers and the laws surrounding child labor. He photographed hundreds of children working in harsh conditions and showing the dangers of child labor. His photographs helped end child labor in the United States and even influenced decisions worldwide.