What reasons did taney give for why he believed dred scott was an enslaved person?

1. They had already "owned" him before but he fled to the north in which they caught him.
2. Slaves were considered property
3. Her husband died in which she now has possession of Dred Scot

Ifound this on google “simply, the working conditions were terrible during the industrial revolution. as factories were being built, businesses were in need of workers. with a long line of people willing to work, employers could set wages as low as they wanted because people were willing to do work as long as they got paid.” i hope this you for what your looking for.