How do natural disasters weaken a community's social infrastructure?

By damaging transportation, communication, and everyday schedules. These are a few ways that natural disaster might weaken a public area. Lives taken might slow workers and progressiveness due to mood swings and depression. Jobs also become rarer because of raw destruction. 
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Systems are unbalanced by the damage caused by natural disasters. Natural disasters tend to target the poorest members of a community. Natural disasters can cause billions of dollars in property damage.

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