Generally speaking, policy plans created to address a societal problem can be adopted by any level of government (except usually the judicial branch). This happens most commonly in the legislature--either the federal or state legislatures depending on the societal problem in question. Hope I Helped!
The implementation of total war was a strategy picked by the Union officers for multiple reasons.
1) Total war will result in the destruction of Southern supplies and transportation. Sherman destroys railroad tracks, burns crops, and ruins plantations so that the Southern army/citizens have no resources to survive.
2) It will bring the Civil War to an end much quicker.
Sherman's idea of destroying the South can be viewed as an immoral action. This is due to the fact that Sherman and his troops will be destroying the land and property of individuals who may not even be part of the war or the Confederate war effort.
Answer - The two most famous conquistadors were Hernán Cortés who conquered the Aztec Empire and Francisco Pizarro who led the conquest of the Incan Empire.
