In both Britain and the United States, what happened in the 1870s that limited child labor?

O As unions became stronger, they didn't allow children under 14 to work.

O Laws passed in both countries prohibited children under 14 from working.

O Laws passed in both countries limited children to work only 8 hours a day.

O Compulsory education and attendance laws were passed in both countries.

The correct answer is "As unions became stronger, they didn't allow children under 14 to work."

Explanation:

Since the start of the Industrial Revolution in the latter part of the 18th century, the use of children in manufacturing facilities rose as they could reach small spaces due to their size. However, labor conditions were very harsh for them. This started to improve when the labor organizers, such as the Knights of Labor, sought to restrict child labor and improve overall working conditions for minors.

B: Because throughout the gilded age children were working in harsh factory conditions, due to all of the backlash the govenment pass a law prohibiting child labor