What forces transformed the institution of slavery from the early 17th century to the 19th century?

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything