I think the answer would be number 2
<span>The Yamasee had a strong resentment towards colonial settlers and traders in South Carolina</span>
Because once an indentured servants time is up, you have to let them live their own life, but if you have a slave, you literally own them and keep them until they die if you choose to do so.
Reconstruction is largely seen as a failure, and many historians believe this was primarily because the South for so long had been dependent on slaves that in one swift motion the South's entire livelihood shifted. This dramatic shift was too much for the Southerners to absorb at once, and harsh Jim Crow laws sprang up.