What was the effect of the founding of constantinople

What kind os source would a historian use to get a firsthand account of a past event

:) 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.

Oraccording to document 3,do you think napoleon is a democratic reformer imperial dictator? explain.