Why was the battle of baltimore/fort mchenry an important point in american history

States' compliance with the native american reservation treaties drawn up by the federal government for the native american nations is:

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.

What is one way that the congress of vienna changed the map of europe?