<prompt> Umbuzo: Ezingxenyeni ezisempumalanga ye-United States, lapho kunemvula eningi khona, imililo yasendle incane kakhulu futhi ayivamile ukubeka impilo nempahla engozini enkulu. Njengoba izindawo zokuhlala zabamhlophe ziqhubekela entshonalanga ezindaweni ezomile, kwaqala ukuqubuka imililo emikhulu. Imililo yasendle eGreat Plains nemililo yehlathi eRocky Mountains yayinkulu kakhulu futhi ibhubhisa kakhulu kunalokho okwakuke kwabonwa empumalanga.  <response>: empumalanga ye-United States 