In SC, black voters were a massive two thirds of primary voters, and black women were 40%. That is gigantic. Bernie still won white voters though, splitting white women evenly and winning white men by more than 2-to-1.
And here, voters in SC overwhelmingly want to continue President Obama's policies, and of those who did, 80% voted for Clinton. And finally:
This race was over months ago. Sanders never had a chance here.