USA HISTORY

Detailed explanation-1: -Secondary sources are articles, books, and other documents that interpret, summarize, or critique the evidence surrounding a historic event. For example: A book written by a historian is a secondary source.

Detailed explanation-2: -Examples of secondary sources include: A journal/magazine article which interprets or reviews previous findings. A history textbook.

Detailed explanation-3: -A textbook can either be a secondary or tertiary source and, in seldom cases, a primary source. In most cases, the author of a textbook interprets prescribed theories of a topic and would, therefore, be a secondary source. A textbook can be a tertiary source when it simply indexes information about a particular topic.

Detailed explanation-4: -A secondary source is one that was created later by someone that did not experience firsthand or participate in the events in which the author is writing about. Secondary sources often summarize, interpret, analyze or comment on information found in primary sources. Common examples of secondary sources include: Books.