True or false Hitler used the powerful technique of beginning speeches quietly and building in volume slowly.

True
He was a sick, dangerous person. He would persuade the germans to lure them in. Due to this, he had many people that believed him and were blind to not notice his cruel ways of murdering innocent people.

Primary sources are usually  more accurate and are written by someone who experienced it or witnessed it. secondary sources are those who heard of it after the fact that can lose details and or twist the event in a light that benefits them.