Um... do you mean by what to expect to learn form it, when i was in 8th grade, i learned mostly topics that vary by state.
It also mostly covers natural History like the Bill of Rights, Central America, Declaration, and the Civil War.
Hope this helps.
8th grade most Accurately applies to punctuation, grammar, and syntax skills Develop complex grade appropriate vocabularyRead with fluency while applying comprehension strategies
the answer to that question is a civil war