Strengths of written sources of past history

Written sources. Some examples of primary written sources are contemporary letters, eyewitness accounts, official documents, political declarations and decrees, administrative texts, and histories and biographies written in the period that is to be studied. Written sources help in cross-checking data or information collected from oral and other sources of historical knowledge. This help to reach reliable conclusions. Documents provide more detailed information than oral sources, e.g. dates, illustrative pictures, names of participants in events

Explanation:

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).