Final answer:
The passage of child labor laws in the early 20th century would have increased school attendance.
Step-by-step explanation:
The passage of child labor laws in the early 20th century would have affected school attendance by increasing it. Previously, children had to work long hours in factories and sweatshops, which left them with little time for education. With the introduction of child labor laws, children were no longer required to work and had more time to attend school.
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