Acenter for the study of navigation, mapmaking, shipbuilding, and sailing was established by a. king ferdinand and queen isabella of spain. b. prince henry of portugal. c. king henry viii of england. d. queen elizabeth i of england.

Imagine you are a historian studying a battlefield journal written by a soldier serving in world war i. describe the process of interpreting the information within the journal, as well as how you would determine whether the evidence in the journal is valid