la primera mitad del siglo xix estuvo marcada x ls guerras civiles y ls pronunciamientos militares y la luxa entre liberales y absolutistas en ls primera decadas,y entre modera2 y progresistas en ls siguientes.en medio d constantes cambios politicos,l establecimiento l sistema capitalista y l estado liberal impulsaron l auge d la burguesia.la desamortizacion enriquecio a ls clases pudientes y empeoro ls condiciones d ls campesinos pobres.aspectos culturales e ideologicos.l desarroyo d la prensa
...Hydropower:The water in a river can be dammed by a dam, giving exit gates that lead to a turbine.The rotation of this is converted into electricity.The reservoirs also serve to store water for irrigation and human consumption,and avoid dangerous floods.In return,1) should inundate large areas of the banks,2)destabilize deltas(sediment that nourished these are now trapped at the bottom of the reservoir, and the sea just eroding the delta) and 3)alter aquatic life.Therefore, in many countries are no...