Which statement describes one way in which henry ford's production practices differed from past production practices?
ford used interchangeable parts in his assembly lines.
ford hired only skilled workers for his assembly lines.
the workers stood still in ford's assembly lines.
the workers practiced specialized skills in ford's assembly lines.

Explanation:

the correct answer from the choices listed above is the third option. The statement that describes one way in which Henry Ford's production practices differed from past production practices would be that the  workers stood still in Ford's assembly lines. Hope this answers the question

c. the dred scott v. sandford case,

the answer is title i subtitle b