How did reinvention time make golden age happier

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

Choose the clause that would be used to decide each case 1. a religious school wants to receive government funding. 2. a worker who refuses to work on her religion's holy day is fired by her employer. 3. a religious organization does not pay tax on religious items! 4. the coach of a public school's sports team has players say a prayer before they take the field.

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?