The most common form is bonded servitude, or holding people to work off debts with stratospheric interest rates.

FORBES: Hitting Slavery Where It Hurts

Given the often horrific nature of the old regime, and the common interest that the people, including the peasants, might have had with the more or less benign new regime, or at least with the promise of modernization, why did they resist so fiercely?

NEWYORKER: Slaughterhouse