Why is irrigation needed?

because we the people could not do any thing without irrigation. we the people could not have a clean enviorment without this. jlsam,bdhjkjmstgmdhiuilkweiu\zxj;sjijksjdfjigbdjkuiugkjlx\kljxcjkd,mjsmjc,sngkcnujxcsjkusjdmhsu

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