Which event caused the action shown in the image? A The British were building farms and forts on American Indian lands.
B French settlers had moved into lands west of the Appalachians.
с French and British colonists were overhunting the wildlife in western lands.
D American Indians wanted payment for their service in the French nd Indian War.

Based on this description, the princes work is  a secondary source. A secondary source is a document or recording that relates or discusses information originally presented elsewhere. Secondary sources involve generalizations, analyzes, interpretations, or evaluations of the original information. They describe, discuss, comment upon, summarize, and process primary sources.

A secondary source is generally a step removed from a time period and is produced after the fact with the benefit of hindsight. Secondary materials can be written or non-written.