Better working hours is also a possible answer. The Square Deal was an attempt to settle Poot working conditions between miners and employers. The terms of the deal included shorter working days and safer working conditions
The correct answer is the railroad locomotives. A railway
locomotive is composed of a steam engine in which they are likely to be fueled
with a material that is burning and combustible in which could be wood or coal
in mans of producing a steam from a boiler.
I believe the answer is: A. Enslaved people were property and did not have the right to file a suit.
At that time, Dred Scott wanted to sue the government for the mistreatment experienced by his family and demanded that both his wife and kids to be freed from slavery. The court ruled out that only citizens have the right to file a suit and see slaves as property that can never be a citizen.