Answer: I'm pretty sure it is The New Deal
Explanation: I had this question in a test and I remember I chose The New Deal and got it right
Vicksburg effects: The Battle of Vicksburg effected the Civil War because the Union got full control of the Mississippi river therefore taking over and shutting down the confederates trade, transportation, and military/fortifications.
The outcome of the US presidential election in 2000 was determined by "the Florida Supreme Court" since the election was highly contested to to many of the ballots being hard to understand.
To remove preconceived notions and ideas from one's mind before writing is to be unprejudiced.
If you don't have any prejudice towards the topic you are talking about, means to be completely objective and not to show any personal feelings about the said topic.
I would put this at false, no one believed that blacks were incapable of fighting, and they were used shortly into the war.