Answer:
The details that the author is talking about is the slavery's past in America which will help the readers to understand the present days in America.
Step-by-step explanation:
In the article titled "6 Myths About Slavery," the writer talks about six myths pertaining to slavery's past in America.
The author states, "If you can't understand America's past, you can't understand America's present." With this statement, the author is trying to make his readers understand that understanding the past of slavery in America is important to understand present days situation of African Americans in America.