Answer: Right to a trial by jury.
Explanation: The first amendment is "Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances". So, the first amendment does protect the right to practice any religion, it does protect the right of a peaceful protest, it does protect the right of individuals but <em>it does not protect the right to trial by jury</em>.
The capture of Vicksburg was important because the city was considered a key point. Lincoln has said that “the war can never be bought to a close until the key is in our pocket”.
To achieve full control of the Mississippi River, the capture of Vicksburg was necessary. When they had control of the river, it was important to the north, because with it they took over and shut down the confederates trade, transportation, and military/fortifications - most of the forts and troops were at Vicksburg and they had to surrender and give the Union 172 artillery pieces-.
They needed a place to stay. Especially during the civil war, when there Sherman's march was taking place.
Armand - Jean du plessis cardinal de Richelieu