We've weighed so many decisions so carefully in raising our daughters—what school to send them to and what church to attend, when to give them cell phones, and with what precautions.
Normally, the extracting soil areas firstly need to temporally store the surface soil, meanwhile, temporary block measures, temporary drainage projects and temporary cover should be taken.
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.