<span>The process by witch fertile land becomes desert, typically as a result of drought, deforestation. or inappropriate agriculture</span>
Limit the amount of contact with other people or by having medicine.
Generally speaking, implementing a mixed economy was in many instances able to address problems that arose from capitalism by involving a certain amount of government regulation of the economy, which was able to regulate business to the point where corruption wasn't rampant, but not to the point where it started hurting productivity.
