The theory is called mercantilism.
Answer: B. They earned more money than their parents
Explanation:
Child Laborers in the United States was a very widespread practice in the 1800s and early 1900s. These children suffered all manner of abuse and were made to do work that even adults should not do sometimes.
As a result they missed out on school and worked in jobs so dangerous that they risked injury or even death. Some might have made more than their parents if their parents had no job but the money that these children made contributed to the welfare of their family so this was not a negative consequence of child labor.
It's kinda hard to explain but I found a reliable website
http://www.history.com/topics/mcculloch-v-maryland
DNA makes up who we are. Basically DNA carry's the traits that are being past on down from in which the newborn came from, or any organism for that matter. And those DNA cells come together to put those distinctive traits into you. Such as your personality, eye color, things of that sort,
These are the circumstances under which the protest of the students in Tinker v. Des Moines would be deemed unprotected speech:
if their action had clearly threatened order and safety.
And since it didn't, there was no reason for it to be deemed unprotected speech.
