Eli Whitney introduced interchangeable parts in the manufacture of muskets. Which of these was an effect of his innovation?

A: The use of interchangeable parts encouraged the end of slavery.

B:The use of interchangeable parts was applied to other industries.

C:Whitney’s invention proved ineffective in dividing labor among unskilled workers.

D: Although using interchangeable parts enabled the mass production of identical weapons, it proved unable to lower costs in other industries

I WOULD APPRECIATE YOUR HELP!

Thanks in advance