The discovery of fire is important because you are able to create heat and cook food. Heat increases your chances of survival in cold environments and cooking your meat means that is slower to spoil. Also fire can protect you from land predators. Lastly fire led to the creation on metal weapons and pottery.
Plantation requires more labor than family farms
Look it up on google you’ll find the answer.
The wagner act was to help the employes, like to cut child labor and to pay the employes more and treat everyone the same.
Domestic system. Domestic system, also called Putting-out System, production system widespread in 17th-century western Europe in which merchant-employers “put out” materials to rural producers who usually worked in their homes but sometimes laboured in workshops or in turn put out work to others.
I hope it helps