A single seller for they them control the market like if ford was the only place u can get any thing that drove or any locomotive they could raise the price to say 500k per car and what could the people do we can't go anywhere else so were stuck going there its illegal and wrong yet several companies have been found doing it
A personal responsibility is option D - taking care of yourself and your family.
Obeying laws, paying taxes, and understanding the values in the U.S. Constitution are all civic responsibilities. They are examples of acts and perspectives of civilly responsible citizens.
I hope this helps!
The answer would be that the U.S. gained territory that needs to be admitted into the country as either free or slave states. Hope this helps you!