The re-emergence of debtors' prison

Cathy O'Neill comments on The re-emergence of debtors' prisons.

This sense that "everyone is screwed" creates solidarity among poor whites and poor blacks, and especially young people. The Ferguson protests have been multi-racial, for example. And if you’ve read The New Jim Crow by Michelle Alexander, you'll recognize a historical pattern whereby political change happens when poor whites and poor blacks start working together.

Emphasis Mine

This is why racism is so vitally important to the Capitalists: it keeps the oppressed fighting among themselves. You have to remember who the real enemy is.