The answer is eight years
Because Joseph was too scared to take the risk when battling the confederates.
During the battle of chancellors vile, General Lee brought a way smaller number to the battle compared to joseph's.
This made joseph hookker became hesitant , thinking that Lee made a lot of traps. Because of this, joseph's missed an opportunity to finished the confederate in one swoop and prolonged the fight necessarily. In the end, Union's casualties were larger than the confederates.
This is an example of a responsibility a US citzen has today is: The Freedom to express yourself. Freedom to worship as you wish, the Right to a prompt, fair trial by jury, and the Right to vote in elections for public officials.