Correct answer: C. They could stop working once they attended public school.
Explanation: Child workers were a big issue during the Industrial Revolution. Unfortunately, child workers were employed under harsh conditions, were exploited and were paid less than men. Many children died as workers during the Industrial Revolution. Towards mid 19th century, the educational policies aimed at bringing more children to school, thus discouraging child labor. However, some children still were employed outside school hours.
Columbus was a fool and had much difficulty trying to venture across the world. He was convinced the earth was smaller than it was even though the ancient romans had already figured out the math of the size of the earth.
