What are you asking here?
<span>Wherever the Union armies went in the South (after the Emancipation Proclamation), they were under orders to liberate any slaves they found. </span>
The Enlightenment thinkers changed peoples' beliefs of how government should work by talking of separation of powers and checks and balances.
After the bad dictator of germany died after world war 2 by suicide, Germany decided to change everything including their hate for jews. They changed their flag, military, culture and their actions.