slave labour BrE
slave labor AmE

But what do they have them working on Slave labor?

Slave labor made up about 75% of the work force.

Significant work on the home started in the mid-1820s using slave labor.

They going alone to death because their parents were strong enough to be slave labor.

Or a few days of slave labor he didn't have to pay for.

But they don't have enough slave labor to do it all for them.

I guess the kids thought of themselves as slave labor back then, but we didn't work them that hard.

Life was not easy for them and many were forced into slave labor.

After 1640, slave labor became less important but the reasons are not clear.

I was just another woman for his slave labor at the tables.