Children used to work in factories due to child labor. The men would be off fighting in wars and the women would work at factories or stayed at home. With children they didn't have to get paid because of their age and were treated badly. That is why they were chosen to start working in factories.
The correct answer is notation or musical notation.
Musical notation is a way of having to write down music in a
way of allowing one to play it and that systems are used and associated by in
in order to use it in writing music.
Then, in 1873 the Métis of St. Laurent updated and formalized the laws of the prairie into a written document, known as the Laws of St. Laurent. These laws covered all aspects of Métis life in the district, not just the conduct of people engaged in the hunt.
Answer: yes and no. For the most part yes as it allows the government to pick and choose what is and isn't recognized as a local currency. A good example of fiat money is gold.