Historical context provide mood, attitudes, and information about a specific event that happened in a particular time. They are very important factors when describing something that happened either in the past, present, or future. Mostly Historical Contexts are used as reference for significant past events that happened in society.
The Answer would be D. the social and economic conditions that surround it.
Explanation:
Even in history books, when looking at a historical period it will always dictate that event along with all the social and economic conflicts that revolve around that period of time.
It is definitely D. Congress fought so hard to keep the Union together prior to the Civil War that they instilled a gag order against speaking of the slavery issue in Congress.