The main method is national assistance, including reduction of rent for land and of enslavement, lighten punishment, relief, supply doctors and medicines, bury corpses, etc.
The second exploitation serfs suffered was corvee labor - a broad term covering not only corvee, but taxes and levies, and rents for land and livestock.
The second exploitation serfs suffered was corvee labor - a broad term covering not only corvee, but taxes and levies, and rents for land and livestock.