Primary source analysis thucydides

Author: Thucydides was the author and he was a wealthy person from the athens. Not biased.
Place and Time: The peloponnesian was in 431bc-404bc. it was written in Athens
Prior knowledge: The peloponnesian war helped me understand the primary source.
Audience: The source was probably created for the generation in the future.
Reason: The purpose of this source was so that other people can learn about it.
The main idea: The man idea was the plague of athens.
Significance: it was important because it was unbiased and descriptive.

"It began, by report, first in that part of Ethiopia that lieth upon Egypt, and thence fell down into Egypt and Africa and into the greatest part of the territories of the king."