Sentence:  The population of particular countries, or districts of country, may be given up to less improving pursuits than those of agriculture. A <WSD>recrudescence</WSD> of barbarism may condemn it ["i.e.", land] to chronic poverty and waste. 
Meaning of the word marked with <WSD> tags:  The condition or state being recrudescent; the condition of something (often undesirable) breaking out again, or re-emerging after temporary abatement or suppression. (from mid 17th c.)