Who was douglas mac arthur

What is an example of a secondary source?

Which statement describes the influence of elizabeth i on england? a. her great inherited wealth made requesting funds from parliament rarely necessary, which minimized conflicts. b.her skillful use of personal advisers to communicate her wishes to parliament promoted stability. c.her clever secret diplomacy and many successful wars made her popular with the english people. d.her continuing support of english explorers in the americas brought in vast supplies of silver and gold.

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?